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30958962037 = 157977201833
BaseRepresentation
bin11100110101010011…
…000100010101110101
32221220120202012222121
4130311103010111311
51001400443241122
622120005555541
72144122556353
oct346523042565
987816665877
1030958962037
1112147588443
126000115bb1
132bc4c64163
1416d99527d3
15c12e00bc7
hex7354c4575

30958962037 has 8 divisors (see below), whose sum is σ = 31188197016. Its totient is φ = 30730132992.

The previous prime is 30958962031. The next prime is 30958962059. The reversal of 30958962037 is 73026985903.

It can be written as a sum of positive squares in 4 ways, for example, as 1113289956 + 29845672081 = 33366^2 + 172759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30958962037 - 219 = 30958437749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30958962031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52473 + ... + 254305.

It is an arithmetic number, because the mean of its divisors is an integer number (3898524627).

Almost surely, 230958962037 is an apocalyptic number.

It is an amenable number.

30958962037 is a deficient number, since it is larger than the sum of its proper divisors (229234979).

30958962037 is a wasteful number, since it uses less digits than its factorization.

30958962037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202967.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 30958962037 in words is "thirty billion, nine hundred fifty-eight million, nine hundred sixty-two thousand, thirty-seven".

Divisors: 1 157 977 153389 201833 31687781 197190841 30958962037