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10120031144 = 231931655103
BaseRepresentation
bin10010110110011001…
…10110101110101000
3222010021121211220022
421123030312232220
5131211211444034
64352111220012
7505532562656
oct113314665650
928107554808
1010120031144
114323548203
121b65217608
13c53825612
146c0089dd6
153e36bcb2e
hex25b336ba8

10120031144 has 16 divisors (see below), whose sum is σ = 18984913920. Its totient is φ = 5057387440.

The previous prime is 10120031143. The next prime is 10120031153. The reversal of 10120031144 is 44113002101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10120031143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312104 + ... + 342999.

It is an arithmetic number, because the mean of its divisors is an integer number (1186557120).

Almost surely, 210120031144 is an apocalyptic number.

It is an amenable number.

10120031144 is a deficient number, since it is larger than the sum of its proper divisors (8864882776).

10120031144 is a wasteful number, since it uses less digits than its factorization.

10120031144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657040 (or 657036 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10120031144 its reverse (44113002101), we get a palindrome (54233033245).

The spelling of 10120031144 in words is "ten billion, one hundred twenty million, thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 1931 3862 7724 15448 655103 1310206 2620412 5240824 1265003893 2530007786 5060015572 10120031144