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3101013881856 = 210321130589231
BaseRepresentation
bin101101001000000010110…
…101001011010000000000
3101222110020222201011010200
4231020002311023100000
5401301334023204411
610332330333325200
7440020005041262
oct55100265132000
911873228634120
103101013881856
11a96150547270
12420bb7336800
131965693ca227
14aa138879b32
15559e79a2e56
hex2d202d4b400

3101013881856 has 132 divisors (see below), whose sum is σ = 9768120633024. Its totient is φ = 939701145600.

The previous prime is 3101013881701. The next prime is 3101013881857. The reversal of 3101013881856 is 6581883101013.

It is a tau number, because it is divible by the number of its divisors (132).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101013881857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15193240 + ... + 15395991.

Almost surely, 23101013881856 is an apocalyptic number.

3101013881856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3101013881856 is an abundant number, since it is smaller than the sum of its proper divisors (6667106751168).

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

3101013881856 is a wasteful number, since it uses less digits than its factorization.

3101013881856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30589268 (or 30589247 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

Adding to 3101013881856 its reverse (6581883101013), we get a palindrome (9682896982869).

The spelling of 3101013881856 in words is "three trillion, one hundred one billion, thirteen million, eight hundred eighty-one thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 512 528 576 704 768 792 1024 1056 1152 1408 1536 1584 2112 2304 2816 3072 3168 4224 4608 5632 6336 8448 9216 11264 12672 16896 25344 33792 50688 101376 30589231 61178462 91767693 122356924 183535386 244713848 275303079 336481541 367070772 489427696 550606158 672963082 734141544 978855392 1009444623 1101212316 1345926164 1468283088 1957710784 2018889246 2202424632 2691852328 2936566176 3028333869 3915421568 4037778492 4404849264 5383704656 5873132352 6056667738 7830843136 8075556984 8809698528 10767409312 11746264704 12113335476 15661686272 16151113968 17619397056 21534818624 23492529408 24226670952 31323372544 32302227936 35238794112 43069637248 46985058816 48453341904 64604455872 70477588224 86139274496 93970117632 96906683808 129208911744 140955176448 172278548992 193813367616 258417823488 281910352896 344557097984 387626735232 516835646976 775253470464 1033671293952 1550506940928 3101013881856