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29860893970 = 2515491927753
BaseRepresentation
bin11011110011110110…
…010001010100010010
32212002001112120202221
4123303312101110102
5442123342101340
621415022331254
72104660260625
oct336366212422
985061476687
1029860893970
1111733772676
125954429b2a
132a7b60b93b
141633b97dbc
15b9b7ec44a
hex6f3d91512

29860893970 has 16 divisors (see below), whose sum is σ = 53784336600. Its totient is φ = 11936640384.

The previous prime is 29860893961. The next prime is 29860893991. The reversal of 29860893970 is 7939806892.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27129054681 + 2731839289 = 164709^2 + 52267^2 .

It is a super-3 number, since 3×298608939703 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29860893899 and 29860893908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948387 + ... + 979366.

Almost surely, 229860893970 is an apocalyptic number.

29860893970 is a deficient number, since it is larger than the sum of its proper divisors (23923442630).

29860893970 is a wasteful number, since it uses less digits than its factorization.

29860893970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929309.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 29860893970 in words is "twenty-nine billion, eight hundred sixty million, eight hundred ninety-three thousand, nine hundred seventy".

Divisors: 1 2 5 10 1549 3098 7745 15490 1927753 3855506 9638765 19277530 2986089397 5972178794 14930446985 29860893970