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10211112010 = 25113115719073
BaseRepresentation
bin10011000001010000…
…10011010001001010
3222100122000020100201
421200220103101022
5131403021041020
64405123322414
7511020006601
oct114050232112
928318006321
1010211112010
11436a9a7650
121b8b82040a
13c69665518
146cc1d8a38
153eb6aea0a
hex260a1344a

10211112010 has 64 divisors (see below), whose sum is σ = 20830639104. Its totient is φ = 3570278400.

The previous prime is 10211111987. The next prime is 10211112029. The reversal of 10211112010 is 1021111201.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 525834 + ... + 544906.

It is an arithmetic number, because the mean of its divisors is an integer number (325478736).

Almost surely, 210211112010 is an apocalyptic number.

10211112010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211112010 is an abundant number, since it is smaller than the sum of its proper divisors (10619527094).

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

10211112010 is a wasteful number, since it uses less digits than its factorization.

10211112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19279.

The product of its (nonzero) digits is 4, while the sum is 10.

10211112010 divided by its sum of digits (10) gives a palindrome (1021111201).

Adding to 10211112010 its reverse (1021111201), we get a palindrome (11232223211).

It can be divided in two parts, 10211 and 112010, that added together give a palindrome (122221).

The spelling of 10211112010 in words is "ten billion, two hundred eleven million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 157 310 314 341 682 785 1570 1705 1727 3410 3454 4867 8635 9734 17270 19073 24335 38146 48670 53537 95365 107074 190730 209803 267685 419606 535370 591263 1049015 1182526 2098030 2956315 2994461 5912630 5988922 6503893 13007786 14972305 29944610 32519465 32939071 65038930 65878142 92828291 164695355 185656582 329390710 464141455 928282910 1021111201 2042222402 5105556005 10211112010