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7390056166668 = 2232751853565553
BaseRepresentation
bin110101110001010000110…
…1011000011010100001100
3222011111000201110021102200
41223202201223003110030
51432034313334313133
623414540034521500
71361625323656410
oct153424153032414
928144021407380
107390056166668
11239a11805856a
129b42aaa36290
13417b57ab3706
141b79758d6d40
15cc374131913
hex6b8a1ac350c

7390056166668 has 72 divisors (see below), whose sum is σ = 21349500620448. Its totient is φ = 2111400165888.

The previous prime is 7390056166643. The next prime is 7390056166699. The reversal of 7390056166668 is 8666616500937.

It is a happy number.

It is a super-2 number, since 2×73900561666682 (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12784180 + ... + 13349732.

Almost surely, 27390056166668 is an apocalyptic number.

It is an amenable number.

7390056166668 is an abundant number, since it is smaller than the sum of its proper divisors (13959444453780).

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

7390056166668 is a wasteful number, since it uses less digits than its factorization.

7390056166668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617423 (or 617418 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 7390056166668 in words is "seven trillion, three hundred ninety billion, fifty-six million, one hundred sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 51853 103706 155559 207412 311118 362971 466677 565553 622236 725942 933354 1088913 1131106 1451884 1696659 1866708 2177826 2262212 3266739 3393318 3958871 4355652 5089977 6533478 6786636 7917742 10179954 11876613 13066956 15835484 20359908 23753226 35629839 47506452 71259678 142519356 29325619709 58651239418 87976859127 117302478836 175953718254 205279337963 263930577381 351907436508 410558675926 527861154762 615838013889 821117351852 1055722309524 1231676027778 1847514041667 2463352055556 3695028083334 7390056166668