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29570451668 = 2220273647071
BaseRepresentation
bin11011100010100010…
…010100100011010100
32211022211000120211122
4123202202110203110
5441030013423133
621330125223112
72064532456232
oct334242244324
984284016748
1029570451668
11115a482700a
125893101a98
132a333a92a4
141607391952
15b8107a498
hex6e28948d4

29570451668 has 12 divisors (see below), whose sum is σ = 51773834112. Its totient is φ = 14777927640.

The previous prime is 29570451629. The next prime is 29570451671. The reversal of 29570451668 is 86615407592.

It is a super-2 number, since 2×295704516682 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815428 + ... + 1831643.

It is an arithmetic number, because the mean of its divisors is an integer number (4314486176).

Almost surely, 229570451668 is an apocalyptic number.

It is an amenable number.

29570451668 is a deficient number, since it is larger than the sum of its proper divisors (22203382444).

29570451668 is a wasteful number, since it uses less digits than its factorization.

29570451668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649102 (or 3649100 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 29570451668 in words is "twenty-nine billion, five hundred seventy million, four hundred fifty-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 2027 4054 8108 3647071 7294142 14588284 7392612917 14785225834 29570451668