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76444920048 = 24372313175511
BaseRepresentation
bin100011100110001111…
…0001110100011110000
321022022120121022010010
41013030132032203300
52223024344420143
655041315534520
75344243046010
oct1071436164360
9238276538103
1076444920048
112a469189982
12129952ba440
137293751b03
1439b295dc40
151ec6331a33
hex11cc78e8f0

76444920048 has 160 divisors (see below), whose sum is σ = 237308239872. Its totient is φ = 20732025600.

The previous prime is 76444920047. The next prime is 76444920059. The reversal of 76444920048 is 84002944467.

It is a super-2 number, since 2×764449200482 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 76444919979 and 76444920006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76444920047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974613 + ... + 1050123.

Almost surely, 276444920048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76444920048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118654119936).

76444920048 is an abundant number, since it is smaller than the sum of its proper divisors (160863319824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76444920048 is a wasteful number, since it uses less digits than its factorization.

76444920048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75683 (or 75677 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 76444920048 in words is "seventy-six billion, four hundred forty-four million, nine hundred twenty thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 56 69 84 92 112 131 138 161 168 184 262 276 322 336 368 393 483 524 552 644 786 917 966 1048 1104 1288 1572 1834 1932 2096 2576 2751 3013 3144 3668 3864 5502 6026 6288 7336 7728 9039 11004 12052 14672 18078 21091 22008 24104 36156 42182 44016 48208 63273 72312 75511 84364 126546 144624 151022 168728 226533 253092 302044 337456 453066 506184 528577 604088 906132 1012368 1057154 1208176 1585731 1736753 1812264 2114308 3171462 3473506 3624528 4228616 5210259 6342924 6947012 8457232 9891941 10420518 12157271 12685848 13894024 19783882 20841036 24314542 25371696 27788048 29675823 36471813 39567764 41682072 48629084 59351646 69243587 72943626 79135528 83364144 97258168 118703292 138487174 145887252 158271056 194516336 207730761 227514643 237406584 276974348 291774504 415461522 455029286 474813168 553948696 583549008 682543929 830923044 910058572 1107897392 1365087858 1592602501 1661846088 1820117144 2730175716 3185205002 3323692176 3640234288 4777807503 5460351432 6370410004 9555615006 10920702864 12740820008 19111230012 25481640016 38222460024 76444920048