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13402240111 = 137960721499
BaseRepresentation
bin11000111101101010…
…11111010001101111
31021121000200100011101
430132311133101233
5204421433140421
610053520303531
7653056106221
oct143665372157
937530610141
1013402240111
1157582403a7
122720471ba7
131357818ac0
14911d54411
15536909191
hex31ed5f46f

13402240111 has 16 divisors (see below), whose sum is σ = 14640640000. Its totient is φ = 12194009568.

The previous prime is 13402240087. The next prime is 13402240127. The reversal of 13402240111 is 11104220431.

It is not a de Polignac number, because 13402240111 - 225 = 13368685679 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 (13402240141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612640 + ... + 634138.

It is an arithmetic number, because the mean of its divisors is an integer number (915040000).

Almost surely, 213402240111 is an apocalyptic number.

13402240111 is a deficient number, since it is larger than the sum of its proper divisors (1238399889).

13402240111 is a wasteful number, since it uses less digits than its factorization.

13402240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22198.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13402240111 its reverse (11104220431), we get a palindrome (24506460542).

The spelling of 13402240111 in words is "thirteen billion, four hundred two million, two hundred forty thousand, one hundred eleven".

Divisors: 1 13 79 607 1027 7891 21499 47953 279487 623389 1698421 13049893 22079473 169648609 1030941547 13402240111