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914645510051 = 721319311636397
BaseRepresentation
bin11010100111101010001…
…11101110011110100011
310020102212012220002010112
431103311013232132203
5104441143222310201
61540103215321535
7123036524362400
oct15236507563643
93212765802115
10914645510051
11322998600309
12129320b202ab
1368334a393a0
14323aa4d12a7
1518bd316c0bb
hexd4f51ee7a3

914645510051 has 48 divisors (see below), whose sum is σ = 1152927072864. Its totient is φ = 719194484736.

The previous prime is 914645509997. The next prime is 914645510057. The reversal of 914645510051 is 150015546419.

It is not a de Polignac number, because 914645510051 - 222 = 914641315747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 914645509990 and 914645510008.

It is not an unprimeable number, because it can be changed into a prime (914645510057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142977185 + ... + 142983581.

It is an arithmetic number, because the mean of its divisors is an integer number (24019314018).

Almost surely, 2914645510051 is an apocalyptic number.

914645510051 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

914645510051 is a deficient number, since it is larger than the sum of its proper divisors (238281562813).

914645510051 is a wasteful number, since it uses less digits than its factorization.

914645510051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780 (or 7773 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 914645510051 in words is "nine hundred fourteen billion, six hundred forty-five million, five hundred ten thousand, fifty-one".

Divisors: 1 7 13 49 91 193 637 1163 1351 2509 6397 8141 9457 15119 17563 44779 56987 83161 105833 122941 224459 313453 582127 740831 1234621 1571213 2917967 4074889 7439711 8642347 10998491 16050073 20425769 52077977 60496429 96716243 112350511 142980383 364545839 677013701 786453577 1435864223 4739095907 10051049561 18666234899 70357346927 130663644293 914645510051