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20311101403010 = 2511280165921591
BaseRepresentation
bin1001001111001000010111…
…11110111110111110000010
32122220201111120122020102022
410213210023332332332002
510130234113424344020
6111110442520521442
74164300012224555
oct447441376767602
978821446566368
1020311101403010
116520987261770
122340516920282
13b44437052262
145030c390869c
15253511e64625
hex12790bfbef82

20311101403010 has 32 divisors (see below), whose sum is σ = 39897856969344. Its totient is φ = 7383218080000.

The previous prime is 20311101403001. The next prime is 20311101403049. The reversal of 20311101403010 is 1030410111302.

It is a self number, because there is not a number n which added to its sum of digits gives 20311101403010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32652686 + ... + 33268905.

It is an arithmetic number, because the mean of its divisors is an integer number (1246808030292).

Almost surely, 220311101403010 is an apocalyptic number.

20311101403010 is a deficient number, since it is larger than the sum of its proper divisors (19586755566334).

20311101403010 is a wasteful number, since it uses less digits than its factorization.

20311101403010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65924410.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20311101403010 its reverse (1030410111302), we get a palindrome (21341511514312).

The spelling of 20311101403010 in words is "twenty trillion, three hundred eleven billion, one hundred one million, four hundred three thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 2801 5602 14005 28010 30811 61622 154055 308110 65921591 131843182 329607955 659215910 725137501 1450275002 3625687505 7251375010 184646376391 369292752782 923231881955 1846463763910 2031110140301 4062220280602 10155550701505 20311101403010