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112000009990 = 251129101347621
BaseRepresentation
bin110100001001110111…
…0001000011100000110
3101201002110210000022011
41220103232020130012
53313334000304430
6123241352524434
711043315243241
oct1502356103406
9351073700264
10112000009990
11435540a4230
12198586b071a
13a73b97897b
1455c6a82258
152da79ad22a
hex1a13b88706

112000009990 has 64 divisors (see below), whose sum is σ = 229764237120. Its totient is φ = 38933440000.

The previous prime is 112000009969. The next prime is 112000009991. The reversal of 112000009990 is 99900000211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000009991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148380 + ... + 496000.

It is an arithmetic number, because the mean of its divisors is an integer number (3590066205).

Almost surely, 2112000009990 is an apocalyptic number.

112000009990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112000009990 is an abundant number, since it is smaller than the sum of its proper divisors (117764227130).

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

112000009990 is a wasteful number, since it uses less digits than its factorization.

112000009990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347769.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 112000009990 in words is "one hundred twelve billion, nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 29 55 58 101 110 145 202 290 319 505 638 1010 1111 1595 2222 2929 3190 5555 5858 11110 14645 29290 32219 64438 161095 322190 347621 695242 1738105 3476210 3823831 7647662 10081009 19119155 20162018 35109721 38238310 50405045 70219442 100810090 110891099 175548605 221782198 351097210 386206931 554455495 772413862 1018181909 1108910990 1931034655 2036363818 3862069310 5090909545 10181819090 11200000999 22400001998 56000004995 112000009990