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30172136350 = 2521735496631
BaseRepresentation
bin11100000110011001…
…100100001110011110
32212212202012100001111
4130012121210032132
5443243031330400
621505541332234
72115456633046
oct340631441636
985782170044
1030172136350
1111883425684
125a2070707a
132acac44925
141663256726
15bb8ccc3ba
hex70666439e

30172136350 has 24 divisors (see below), whose sum is σ = 59421361968. Its totient is φ = 11358921600.

The previous prime is 30172136347. The next prime is 30172136387. The reversal of 30172136350 is 5363127103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17747466 + ... + 17749165.

It is an arithmetic number, because the mean of its divisors is an integer number (2475890082).

Almost surely, 230172136350 is an apocalyptic number.

30172136350 is a deficient number, since it is larger than the sum of its proper divisors (29249225618).

30172136350 is a wasteful number, since it uses less digits than its factorization.

30172136350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35496660 (or 35496655 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The spelling of 30172136350 in words is "thirty billion, one hundred seventy-two million, one hundred thirty-six thousand, three hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 35496631 70993262 177483155 354966310 603442727 887415775 1206885454 1774831550 3017213635 6034427270 15086068175 30172136350