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55152240045 = 357642781727
BaseRepresentation
bin110011010111010101…
…000110010110101101
312021100122200002021020
4303113111012112231
51400422433140140
641200411524353
73661503206520
oct632725062655
9167318602236
1055152240045
1121432002281
12a8324596b9
13527c302c86
142952b00bb7
15167bd6e6d0
hexcd75465ad

55152240045 has 32 divisors (see below), whose sum is σ = 100866736128. Its totient is φ = 25208221248.

The previous prime is 55152240007. The next prime is 55152240047. The reversal of 55152240045 is 54004225155.

It is not a de Polignac number, because 55152240045 - 26 = 55152239981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55152239988 and 55152240015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152240047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633972 + ... + 715698.

It is an arithmetic number, because the mean of its divisors is an integer number (3152085504).

Almost surely, 255152240045 is an apocalyptic number.

It is an amenable number.

55152240045 is a deficient number, since it is larger than the sum of its proper divisors (45714496083).

55152240045 is a wasteful number, since it uses less digits than its factorization.

55152240045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88169.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55152240045 in words is "fifty-five billion, one hundred fifty-two million, two hundred forty thousand, forty-five".

Divisors: 1 3 5 7 15 21 35 105 6427 19281 32135 44989 81727 96405 134967 224945 245181 408635 572089 674835 1225905 1716267 2860445 8581335 525259429 1575778287 2626297145 3676816003 7878891435 11030448009 18384080015 55152240045