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6401201451012 = 22326911097234571
BaseRepresentation
bin101110100100110010101…
…0101101011000000000100
3211122221121201211221211200
41131021211111223000010
51314334130032413022
621340401002302500
71230320511402624
oct135114525530004
924587551757750
106401201451012
112048809381775
128747194b7a30
1337582787cba4
14181b6977c884
15b179b0a6bac
hex5d26556b004

6401201451012 has 72 divisors (see below), whose sum is σ = 16219071846432. Its totient is φ = 2128694601600.

The previous prime is 6401201450999. The next prime is 6401201451077. The reversal of 6401201451012 is 2101541021046.

6401201451012 is a `hidden beast` number, since 6 + 4 + 0 + 1 + 201 + 451 + 0 + 1 + 2 = 666.

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, 27171687 + ... + 27406257.

It is an arithmetic number, because the mean of its divisors is an integer number (225264886756).

Almost surely, 26401201451012 is an apocalyptic number.

It is an amenable number.

6401201451012 is an abundant number, since it is smaller than the sum of its proper divisors (9817870395420).

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

6401201451012 is a wasteful number, since it uses less digits than its factorization.

6401201451012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236369 (or 236364 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 6401201451012 its reverse (2101541021046), we get a palindrome (8502742472058).

The spelling of 6401201451012 in words is "six trillion, four hundred one billion, two hundred one million, four hundred fifty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 691 1097 1382 2073 2194 2764 3291 4146 4388 6219 6582 8292 9873 12438 13164 19746 24876 39492 234571 469142 703713 758027 938284 1407426 1516054 2111139 2274081 2814852 3032108 4222278 4548162 6822243 8444556 9096324 13644486 27288972 162088561 257324387 324177122 486265683 514648774 648354244 771973161 972531366 1029297548 1458797049 1543946322 1945062732 2315919483 2917594098 3087892644 4631838966 5835188196 9263677932 177811151417 355622302834 533433454251 711244605668 1066866908502 1600300362753 2133733817004 3200600725506 6401201451012