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305742474025 = 5253331697127
BaseRepresentation
bin1000111001011111010…
…10111110101100101001
31002020011201101221012021
410130233222332230221
520002130033132100
6352242310144441
731042404102202
oct4345752765451
91066151357167
10305742474025
11108734723aaa
124b308652121
1322aa674b531
1410b25a765a9
157e468c7a1a
hex472fabeb29

305742474025 has 24 divisors (see below), whose sum is σ = 387441434304. Its totient is φ = 239253643200.

The previous prime is 305742474019. The next prime is 305742474047. The reversal of 305742474025 is 520474247503.

It is not a de Polignac number, because 305742474025 - 217 = 305742342953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90012 + ... + 787138.

It is an arithmetic number, because the mean of its divisors is an integer number (16143393096).

Almost surely, 2305742474025 is an apocalyptic number.

It is an amenable number.

305742474025 is a deficient number, since it is larger than the sum of its proper divisors (81698960279).

305742474025 is a wasteful number, since it uses less digits than its factorization.

305742474025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697521 (or 697516 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 43.

The spelling of 305742474025 in words is "three hundred five billion, seven hundred forty-two million, four hundred seventy-four thousand, twenty-five".

Divisors: 1 5 25 53 265 331 1325 1655 8275 17543 87715 438575 697127 3485635 17428175 36947731 184738655 230749037 923693275 1153745185 5768725925 12229698961 61148494805 305742474025