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380400611880 = 233531472175707
BaseRepresentation
bin1011000100100011010…
…01001011001000101000
31100100212202212021221010
411202101221023020220
522213030024040010
6450430441143520
736324452564532
oct5422151131050
91310782767833
10380400611880
11137366256a83
126188348aba0
1329b43c5a673
14145a91a0852
159d65e12620
hex5891a4b228

380400611880 has 128 divisors (see below), whose sum is σ = 1203079495680. Its totient is φ = 96079176960.

The previous prime is 380400611879. The next prime is 380400611933. The reversal of 380400611880 is 88116004083.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913014 + ... + 1262693.

It is an arithmetic number, because the mean of its divisors is an integer number (9399058560).

Almost surely, 2380400611880 is an apocalyptic number.

380400611880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380400611880 is an abundant number, since it is smaller than the sum of its proper divisors (822678883800).

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

380400611880 is a wasteful number, since it uses less digits than its factorization.

380400611880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175799 (or 2175795 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 380400611880 in words is "three hundred eighty billion, four hundred million, six hundred eleven thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 47 60 62 93 94 120 124 141 155 186 188 235 248 282 310 372 376 465 470 564 620 705 744 930 940 1128 1240 1410 1457 1860 1880 2820 2914 3720 4371 5640 5828 7285 8742 11656 14570 17484 21855 29140 34968 43710 58280 87420 174840 2175707 4351414 6527121 8702828 10878535 13054242 17405656 21757070 26108484 32635605 43514140 52216968 65271210 67446917 87028280 102258229 130542420 134893834 202340751 204516458 261084840 269787668 306774687 337234585 404681502 409032916 511291145 539575336 613549374 674469170 809363004 818065832 1011703755 1022582290 1227098748 1348938340 1533873435 1618726008 2023407510 2045164580 2454197496 2697876680 3067746870 3170005099 4046815020 4090329160 6135493740 6340010198 8093630040 9510015297 12270987480 12680020396 15850025495 19020030594 25360040792 31700050990 38040061188 47550076485 63400101980 76080122376 95100152970 126800203960 190200305940 380400611880