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99872147032 = 23761257113761
BaseRepresentation
bin101110100000011011…
…0000000011001011000
3100112210021001201221121
41131000312000121120
53114014232201112
6113514114415024
710133632146220
oct1350066003130
9315707051847
1099872147032
11393a0250299
1217432b91474
1395581962b8
144b9609d080
1528e7dd2407
hex1740d80658

99872147032 has 64 divisors (see below), whose sum is σ = 218368434240. Its totient is φ = 41936486400.

The previous prime is 99872146999. The next prime is 99872147033. The reversal of 99872147032 is 23074127899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99872147033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821032 + ... + 934792.

It is an arithmetic number, because the mean of its divisors is an integer number (3412006785).

Almost surely, 299872147032 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 99872147032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109184217120).

99872147032 is an abundant number, since it is smaller than the sum of its proper divisors (118496287208).

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

99872147032 is a wasteful number, since it uses less digits than its factorization.

99872147032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114092 (or 114088 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 99872147032 in words is "ninety-nine billion, eight hundred seventy-two million, one hundred forty-seven thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 61 122 244 257 427 488 514 854 1028 1708 1799 2056 3416 3598 7196 14392 15677 31354 62708 109739 113761 125416 219478 227522 438956 455044 796327 877912 910088 1592654 3185308 6370616 6939421 13878842 27757684 29236577 48575947 55515368 58473154 97151894 116946308 194303788 204656039 233892616 388607576 409312078 818624156 1637248312 1783431197 3566862394 7133724788 12484018379 14267449576 24968036758 49936073516 99872147032