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10031102554 = 21121910720389
BaseRepresentation
bin10010101011110011…
…00111101001011010
3221220002021210210211
421111321213221122
5131020430240204
64335213201334
7503402651644
oct112571475132
927802253724
1010031102554
114288328900
121b3b49024a
13c3b28a255
146b233b894
153da9a3804
hex255e67a5a

10031102554 has 48 divisors (see below), whose sum is σ = 17572917600. Its totient is φ = 4279033440.

The previous prime is 10031102551. The next prime is 10031102567. The reversal of 10031102554 is 45520113001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (10031102551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481792 + ... + 502180.

It is an arithmetic number, because the mean of its divisors is an integer number (366102450).

Almost surely, 210031102554 is an apocalyptic number.

10031102554 is a deficient number, since it is larger than the sum of its proper divisors (7541815046).

10031102554 is a wasteful number, since it uses less digits than its factorization.

10031102554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20539 (or 20528 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 10031102554 its reverse (45520113001), we get a palindrome (55551215555).

The spelling of 10031102554 in words is "ten billion, thirty-one million, one hundred two thousand, five hundred fifty-four".

Divisors: 1 2 11 19 22 38 107 121 209 214 242 418 1177 2033 2299 2354 4066 4598 12947 20389 22363 25894 40778 44726 224279 245993 387391 448558 491986 774782 2181623 2467069 4261301 4363246 4934138 8522602 23997853 41450837 46874311 47995706 82901674 93748622 263976383 455959207 527952766 911918414 5015551277 10031102554