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55010032923 = 3298363112073
BaseRepresentation
bin110011001110110110…
…100111110100011011
312020222202002012202210
4303032312213310123
51400130032023143
641134331530203
73655125364506
oct631666476433
9166882065683
1055010032923
1121369802a2a
12a7b28b9963
135258a02151
14293bc8413d
15166e62e033
hexcceda7d1b

55010032923 has 32 divisors (see below), whose sum is σ = 76918141440. Its totient is φ = 34923813120.

The previous prime is 55010032843. The next prime is 55010032993. The reversal of 55010032923 is 32923001055.

It is not a de Polignac number, because 55010032923 - 28 = 55010032667 is a prime.

It is a super-2 number, since 2×550100329232 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55010032993) 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, 4550415 + ... + 4562487.

It is an arithmetic number, because the mean of its divisors is an integer number (2403691920).

Almost surely, 255010032923 is an apocalyptic number.

55010032923 is a deficient number, since it is larger than the sum of its proper divisors (21908108517).

55010032923 is a wasteful number, since it uses less digits than its factorization.

55010032923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 55010032923 its reverse (32923001055), we get a palindrome (87933033978).

The spelling of 55010032923 in words is "fifty-five billion, ten million, thirty-two thousand, nine hundred twenty-three".

Divisors: 1 3 29 83 87 249 631 1893 2407 7221 12073 18299 36219 52373 54897 157119 350117 1002059 1050351 1518817 3006177 4556451 7618063 22854189 29059711 87179133 220923827 632299229 662771481 1896897687 18336677641 55010032923