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10402044122431 = 133125811523877
BaseRepresentation
bin1001011101011110101000…
…1001010001010100111111
31100211102111100011210122101
42113113222021101110333
52330411341243404211
634042344425525531
72122344231115033
oct227275211212477
940742440153571
1010402044122431
1133505337a98a5
1211bbb9b6438a7
135a5ba711bc60
1427d6669941c3
151308ab0175c1
hex975ea25153f

10402044122431 has 8 divisors (see below), whose sum is σ = 11563562697344. Its totient is φ = 9292148595360.

The previous prime is 10402044122423. The next prime is 10402044122497. The reversal of 10402044122431 is 13422144020401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10402044122431 - 23 = 10402044122423 is a prime.

It is a super-2 number, since 2×104020441224312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10402044122431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402044120431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905761536 + ... + 12905762341.

It is an arithmetic number, because the mean of its divisors is an integer number (1445445337168).

Almost surely, 210402044122431 is an apocalyptic number.

10402044122431 is a deficient number, since it is larger than the sum of its proper divisors (1161518574913).

10402044122431 is a wasteful number, since it uses less digits than its factorization.

10402044122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25811523921.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 10402044122431 its reverse (13422144020401), we get a palindrome (23824188142832).

The spelling of 10402044122431 in words is "ten trillion, four hundred two billion, forty-four million, one hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 13 31 403 25811523877 335549810401 800157240187 10402044122431