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402142168707013 = 7213913589878749
BaseRepresentation
bin101101101101111110000010…
…1000111010110111111000101
31221201212102020011121120121001
41123123330011013112333011
5410202144130142111023
63543141321212453301
7150463545553333600
oct13333740507267705
91851772204546531
10402142168707013
11107153599457269
1239129a1a77a231
1314350ac7a6a0a7
147143adb779337
1531759924176ad
hex16dbf051d6fc5

402142168707013 has 12 divisors (see below), whose sum is σ = 467831656867500. Its totient is φ = 344668511971392.

The previous prime is 402142168706953. The next prime is 402142168707053. The reversal of 402142168707013 is 310707861241204.

It can be written as a sum of positive squares in 2 ways, for example, as 342681074652609 + 59461094054404 = 18511647^2 + 7711102^2 .

It is not a de Polignac number, because 402142168707013 - 217 = 402142168575941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402142168707053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294257638 + ... + 295621111.

It is an arithmetic number, because the mean of its divisors is an integer number (38985971405625).

Almost surely, 2402142168707013 is an apocalyptic number.

It is an amenable number.

402142168707013 is a deficient number, since it is larger than the sum of its proper divisors (65689488160487).

402142168707013 is a wasteful number, since it uses less digits than its factorization.

402142168707013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589892676 (or 589892669 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 402142168707013 in words is "four hundred two trillion, one hundred forty-two billion, one hundred sixty-eight million, seven hundred seven thousand, thirteen".

Divisors: 1 7 49 13913 97391 681737 589878749 4129151243 28904058701 8206983034837 57448881243859 402142168707013