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381651799304 = 23672973312
BaseRepresentation
bin1011000110111000011…
…10000100110100001000
31100111002222012012102002
411203130032010310020
522223110330034204
6451154534330132
736400454524346
oct5433416046410
91314088165362
10381651799304
11137948544676
1261b724b9948
1329cb3234859
1414687416996
159ddabae91e
hex58dc384d08

381651799304 has 72 divisors (see below), whose sum is σ = 736150129470. Its totient is φ = 185477783040.

The previous prime is 381651799283. The next prime is 381651799357. The reversal of 381651799304 is 403997156183.

It can be written as a sum of positive squares in only one way, i.e., 332469866404 + 49181932900 = 576602^2 + 221770^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 381651799304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1153026419 + ... + 1153026749.

Almost surely, 2381651799304 is an apocalyptic number.

It is an amenable number.

381651799304 is a deficient number, since it is larger than the sum of its proper divisors (354498330166).

381651799304 is an frugal number, since it uses more digits than its factorization.

381651799304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 381651799304 in words is "three hundred eighty-one billion, six hundred fifty-one million, seven hundred ninety-nine thousand, three hundred four".

Divisors: 1 2 4 8 67 97 134 194 268 331 388 536 662 776 1324 2648 4489 6499 8978 12998 17956 22177 25996 32107 35912 44354 51992 64214 88708 109561 128428 177416 219122 256856 435433 438244 870866 876488 1485859 1741732 2151169 2971718 3483464 4302338 5943436 7340587 8604676 10627417 11886872 14681174 17209352 21254834 29362348 42509668 58724696 85019336 144128323 288256646 491819329 576513292 712036939 983638658 1153026584 1424073878 1967277316 2848147756 3934554632 5696295512 47706474913 95412949826 190825899652 381651799304