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30055515451431 = 31713719122521643
BaseRepresentation
bin1101101010101110110000…
…10100100111000000100111
310221102021112112210220002220
412311113120110213000213
512414412143423421211
6143531151352003423
76221303456056251
oct665273024470047
9127367475726086
1030055515451431
119638521a21428
123454b63390573
1313a02b8a728b2
1475c9a23d6cd1
15371c2d991806
hex1b55d8527027

30055515451431 has 32 divisors (see below), whose sum is σ = 42964810518528. Its totient is φ = 18622695336960.

The previous prime is 30055515451421. The next prime is 30055515451463. The reversal of 30055515451431 is 13415451555003.

It is not a de Polignac number, because 30055515451431 - 210 = 30055515450407 is a prime.

It is a super-2 number, since 2×300555154514312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055515451421) 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, 9926305 + ... + 12595338.

It is an arithmetic number, because the mean of its divisors is an integer number (1342650328704).

Almost surely, 230055515451431 is an apocalyptic number.

30055515451431 is a deficient number, since it is larger than the sum of its proper divisors (12909295067097).

30055515451431 is a wasteful number, since it uses less digits than its factorization.

30055515451431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521991.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 30055515451431 in words is "thirty trillion, fifty-five billion, five hundred fifteen million, four hundred fifty-one thousand, four hundred thirty-one".

Divisors: 1 3 17 51 137 191 411 573 2329 3247 6987 9741 26167 78501 444839 1334517 22521643 67564929 382867931 1148603793 3085465091 4301633813 9256395273 12904901439 52452906547 73127774821 157358719641 219383324463 589323832381 1767971497143 10018505150477 30055515451431