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10101001042 = 21125712771399
BaseRepresentation
bin10010110100001000…
…10000101101010010
3222001221211000111201
421122010100231102
5131141324013132
64350151301414
7505212043426
oct113204205522
928057730451
1010101001042
11431382a650
121b5a97a86a
13c4c8c17c2
146bb734b86
153e1bae2e7
hex25a110b52

10101001042 has 32 divisors (see below), whose sum is σ = 16618089600. Its totient is φ = 4566650880.

The previous prime is 10101001037. The next prime is 10101001123. The reversal of 10101001042 is 24010010101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7219459 + ... + 7220857.

It is an arithmetic number, because the mean of its divisors is an integer number (519315300).

Almost surely, 210101001042 is an apocalyptic number.

10101001042 is a deficient number, since it is larger than the sum of its proper divisors (6517088558).

10101001042 is a wasteful number, since it uses less digits than its factorization.

10101001042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10101001042 its reverse (24010010101), we get a palindrome (34111011143).

The spelling of 10101001042 in words is "ten billion, one hundred one million, one thousand, forty-two".

Divisors: 1 2 11 22 257 514 1277 1399 2554 2798 2827 5654 14047 15389 28094 30778 328189 359543 656378 719086 1786523 3573046 3610079 3954973 7220158 7909946 19651753 39303506 459136411 918272822 5050500521 10101001042