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30991269774702 = 238611759979001
BaseRepresentation
bin1110000101111101101111…
…01000000100010101101110
311001201201212212122210021110
413002332313220010111232
513030230110030242302
6145525105350412450
76346021361426316
oct702766750042556
9131651785583243
1030991269774702
119969361935516
123586395661126
13143a605b01bb3
14791db2164446
1538b249da1b6c
hex1c2fb7a0456e

30991269774702 has 16 divisors (see below), whose sum is σ = 61983260330832. Its totient is φ = 10330303128000.

The previous prime is 30991269774679. The next prime is 30991269774727. The reversal of 30991269774702 is 20747796219903.

It is a congruent number.

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, 29472799 + ... + 30506202.

It is an arithmetic number, because the mean of its divisors is an integer number (3873953770677).

Almost surely, 230991269774702 is an apocalyptic number.

30991269774702 is an abundant number, since it is smaller than the sum of its proper divisors (30991990556130).

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

30991269774702 is a wasteful number, since it uses less digits than its factorization.

30991269774702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60065123.

The product of its (nonzero) digits is 72013536, while the sum is 66.

The spelling of 30991269774702 in words is "thirty trillion, nine hundred ninety-one billion, two hundred sixty-nine million, seven hundred seventy-four thousand, seven hundred two".

Divisors: 1 2 3 6 86117 172234 258351 516702 59979001 119958002 179937003 359874006 5165211629117 10330423258234 15495634887351 30991269774702