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90564070853613 = 3719226977621187
BaseRepresentation
bin10100100101111000010111…
…010001011100101111101101
3102212122211200210220120210010
4110211320113101130233231
543332300204114303423
6520340320525403433
725035016046566020
oct2445702721345755
9385584623816703
1090564070853613
1126947008aa6245
12a1a7b10109579
133b6c2030942b6
1418514782b51b7
15a70ba52d1693
hex525e1745cbed

90564070853613 has 16 divisors (see below), whose sum is σ = 145265677560320. Its totient is φ = 49027166176176.

The previous prime is 90564070853593. The next prime is 90564070853629. The reversal of 90564070853613 is 31635807046509.

It is not a de Polignac number, because 90564070853613 - 210 = 90564070852589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90564070853693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113488810195 + ... + 113488810992.

It is an arithmetic number, because the mean of its divisors is an integer number (9079104847520).

Almost surely, 290564070853613 is an apocalyptic number.

It is an amenable number.

90564070853613 is a deficient number, since it is larger than the sum of its proper divisors (54701606706707).

90564070853613 is a wasteful number, since it uses less digits than its factorization.

90564070853613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226977621216.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 90564070853613 in words is "ninety trillion, five hundred sixty-four billion, seventy million, eight hundred fifty-three thousand, six hundred thirteen".

Divisors: 1 3 7 19 21 57 133 399 226977621187 680932863561 1588843348309 4312574802553 4766530044927 12937724407659 30188023617871 90564070853613