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30950309329 = 23276492
BaseRepresentation
bin11100110100110010…
…000011110111010001
32221212222110121200221
4130310302003313101
51001341234344304
622115100313041
72143656200662
oct346462036721
987788417627
1030950309329
1112142708545
125bb9242781
132bc3224904
1416d873d369
15c12292054
hex734c83dd1

30950309329 has 9 divisors (see below), whose sum is σ = 32358712603. Its totient is φ = 29600773312.

The previous prime is 30950309323. The next prime is 30950309333. The reversal of 30950309329 is 92390305903.

The square root of 30950309329 is 175927.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1352547729 + 29597761600 = 36777^2 + 172040^2 .

It is not a de Polignac number, because 30950309329 - 211 = 30950307281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30950309323) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4042497 + ... + 4050145.

Almost surely, 230950309329 is an apocalyptic number.

30950309329 is the 175927-th square number.

30950309329 is the 87964-th centered octagonal number.

It is an amenable number.

30950309329 is a deficient number, since it is larger than the sum of its proper divisors (1408403274).

30950309329 is an frugal number, since it uses more digits than its factorization.

30950309329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15344 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 43.

The spelling of 30950309329 in words is "thirty billion, nine hundred fifty million, three hundred nine thousand, three hundred twenty-nine".

Divisors: 1 23 529 7649 175927 4046321 58507201 1345665623 30950309329