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381531254060 = 225112295436467
BaseRepresentation
bin1011000110101010000…
…10001110110100101100
31100110210120100212102102
411203111002032310230
522222334000112220
6451134550514232
736364462102445
oct5432502166454
91313716325372
10381531254060
111378964a0200
1261b3a065978
1329c942796c8
14146753d82cc
159dd02ec775
hex58d508ed2c

381531254060 has 72 divisors (see below), whose sum is σ = 911043307440. Its totient is φ = 133954522240.

The previous prime is 381531254059. The next prime is 381531254101. The reversal of 381531254060 is 60452135183.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2648054 + ... + 2788413.

It is an arithmetic number, because the mean of its divisors is an integer number (12653379270).

Almost surely, 2381531254060 is an apocalyptic number.

It is an amenable number.

381531254060 is an abundant number, since it is smaller than the sum of its proper divisors (529512053380).

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

381531254060 is a wasteful number, since it uses less digits than its factorization.

381531254060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436527 (or 5436514 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 381531254060 in words is "three hundred eighty-one billion, five hundred thirty-one million, two hundred fifty-four thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 121 145 220 242 290 319 484 580 605 638 1210 1276 1595 2420 3190 3509 6380 7018 14036 17545 35090 70180 5436467 10872934 21745868 27182335 54364670 59801137 108729340 119602274 157657543 239204548 299005685 315315086 598011370 630630172 657812507 788287715 1196022740 1315625014 1576575430 1734232973 2631250028 3153150860 3289062535 3468465946 6578125070 6936931892 8671164865 13156250140 17342329730 19076562703 34684659460 38153125406 76306250812 95382813515 190765627030 381531254060