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10155121052 = 222987544147
BaseRepresentation
bin10010111010100101…
…01101100110011100
3222012201122121012112
421131102231212130
5131244202333202
64355403253152
7506440050626
oct113522554634
928181577175
1010155121052
11434133482a
121b74b1a1b8
13c5ab9028b
146c49c1c16
153e67eeb52
hex25d4ad99c

10155121052 has 12 divisors (see below), whose sum is σ = 18384271080. Its totient is φ = 4902472176.

The previous prime is 10155121013. The next prime is 10155121073. The reversal of 10155121052 is 25012155101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43771958 + ... + 43772189.

It is an arithmetic number, because the mean of its divisors is an integer number (1532022590).

Almost surely, 210155121052 is an apocalyptic number.

It is an amenable number.

10155121052 is a deficient number, since it is larger than the sum of its proper divisors (8229150028).

10155121052 is a wasteful number, since it uses less digits than its factorization.

10155121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87544180 (or 87544178 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 10155121052 its reverse (25012155101), we get a palindrome (35167276153).

The spelling of 10155121052 in words is "ten billion, one hundred fifty-five million, one hundred twenty-one thousand, fifty-two".

Divisors: 1 2 4 29 58 116 87544147 175088294 350176588 2538780263 5077560526 10155121052