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10311211092 = 2237139442501
BaseRepresentation
bin10011001101001100…
…01001100001010100
3222121121100210111010
421212212021201110
5132104132223332
64423101012220
7513343563630
oct114646114124
928547323433
1010311211092
114411456566
121bb9254070
13c84312150
146db613dc0
154053839cc
hex266989854

10311211092 has 48 divisors (see below), whose sum is σ = 29611686272. Its totient is φ = 2719440000.

The previous prime is 10311211039. The next prime is 10311211111. The reversal of 10311211092 is 29011211301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 4720159 + ... + 4722342.

Almost surely, 210311211092 is an apocalyptic number.

10311211092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10311211092 is an abundant number, since it is smaller than the sum of its proper divisors (19300475180).

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

10311211092 is a wasteful number, since it uses less digits than its factorization.

10311211092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442528 (or 9442526 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 10311211092 its reverse (29011211301), we get a palindrome (39322422393).

The spelling of 10311211092 in words is "ten billion, three hundred eleven million, two hundred eleven thousand, ninety-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 1092 9442501 18885002 28327503 37770004 56655006 66097507 113310012 122752513 132195014 198292521 245505026 264390028 368257539 396585042 491010052 736515078 793170084 859267591 1473030156 1718535182 2577802773 3437070364 5155605546 10311211092