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55500312030 = 2352701168491
BaseRepresentation
bin110011101100000100…
…111000110111011110
312022020220121222021020
4303230010320313132
51402131034441110
641255124145010
74003230603612
oct635404706736
9168226558236
1055500312030
11215a052a979
12a90ab38166
135306462727
142987029342
15169c6c6d70
hexcec138dde

55500312030 has 32 divisors (see below), whose sum is σ = 133207625088. Its totient is φ = 14799319200.

The previous prime is 55500312001. The next prime is 55500312059. The reversal of 55500312030 is 3021300555.

It is an interprime number because it is at equal distance from previous prime (55500312001) and next prime (55500312059).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776085 + ... + 844575.

It is an arithmetic number, because the mean of its divisors is an integer number (4162738284).

Almost surely, 255500312030 is an apocalyptic number.

55500312030 is an abundant number, since it is smaller than the sum of its proper divisors (77707313058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55500312030 is a wasteful number, since it uses less digits than its factorization.

55500312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95512.

The product of its (nonzero) digits is 2250, while the sum is 24.

Adding to 55500312030 its reverse (3021300555), we get a palindrome (58521612585).

The spelling of 55500312030 in words is "fifty-five billion, five hundred million, three hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 27011 54022 68491 81033 135055 136982 162066 205473 270110 342455 405165 410946 684910 810330 1027365 2054730 1850010401 3700020802 5550031203 9250052005 11100062406 18500104010 27750156015 55500312030