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30013431321125 = 537291279313349
BaseRepresentation
bin1101101001100000010111…
…11010011001001000100101
310221021020220122002120022002
412310300023322121020211
512413220001404234000
6143455551403015045
76215253543625640
oct664601372311045
9127236818076262
1030013431321125
11962169659444a
12344897950a485
13139933cc9a945
1475a92d110a57
15370ab90298d5
hex1b4c0be99225

30013431321125 has 64 divisors (see below), whose sum is σ = 44632553472000. Its totient is φ = 19714495046400.

The previous prime is 30013431321091. The next prime is 30013431321131. The reversal of 30013431321125 is 52112313431003.

It is not a de Polignac number, because 30013431321125 - 26 = 30013431321061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1434050 + ... + 7879299.

It is an arithmetic number, because the mean of its divisors is an integer number (697383648000).

Almost surely, 230013431321125 is an apocalyptic number.

30013431321125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30013431321125 is a deficient number, since it is larger than the sum of its proper divisors (14619122150875).

30013431321125 is a wasteful number, since it uses less digits than its factorization.

30013431321125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313527 (or 9313517 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 30013431321125 its reverse (52112313431003), we get a palindrome (82125744752128).

The spelling of 30013431321125 in words is "thirty trillion, thirteen billion, four hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-five".

Divisors: 1 5 7 25 29 35 125 127 145 175 203 635 725 875 889 1015 3175 3625 3683 4445 5075 15875 18415 22225 25375 25781 92075 111125 128905 460375 644525 3222625 9313349 46566745 65193443 232833725 270087121 325967215 1164168625 1182795323 1350435605 1629836075 1890609847 5913976615 6752178025 8149180375 8279567261 9453049235 29569883075 33760890125 34301064367 41397836305 47265246175 147849415375 171505321835 206989181525 236326230875 240107450569 857526609175 1034945907625 1200537252845 4287633045875 6002686264225 30013431321125