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512020020215 = 51128916756941
BaseRepresentation
bin1110111001101101100…
…01010111101111110111
31210221121120000000011102
413130312301113233313
531342104111121330
61031115130000315
751664222235144
oct7346661275767
91727546000142
10512020020215
11188167a53600
128329657609b
133938b4a1c82
141aad37733cb
15d4bb00a945
hex7736c57bf7

512020020215 has 48 divisors (see below), whose sum is σ = 687048505920. Its totient is φ = 365982988800.

The previous prime is 512020020139. The next prime is 512020020221.

It is a happy number.

512020020215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 512020020215 - 222 = 512015825911 is a prime.

It is a super-2 number, since 2×5120200202152 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8963645 + ... + 9020585.

It is an arithmetic number, because the mean of its divisors is an integer number (14313510540).

Almost surely, 2512020020215 is an apocalyptic number.

512020020215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

512020020215 is a deficient number, since it is larger than the sum of its proper divisors (175028485705).

512020020215 is a wasteful number, since it uses less digits than its factorization.

512020020215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57224 (or 57213 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

It can be divided in two parts, 5120200 and 20215, that added together give a palindrome (5140415).

The spelling of 512020020215 in words is "five hundred twelve billion, twenty million, twenty thousand, two hundred fifteen".

Divisors: 1 5 11 55 89 121 167 445 605 835 979 1837 4895 9185 10769 14863 20207 53845 56941 74315 101035 163493 284705 626351 817465 1798423 3131755 5067749 6889861 8992115 9509147 25338745 34449305 47545735 55745239 104600617 278726195 523003085 613197629 846314083 1150606787 3065988145 4231570415 5753033935 9309454913 46547274565 102404004043 512020020215