Search a number
-
+
127344113428 = 22722320394637
BaseRepresentation
bin111011010011001001…
…1001111011100010100
3110011200211102020011111
41312212103033130110
54041300043112203
6134300122144404
712125464050550
oct1664623173424
9404624366144
10127344113428
114a008483254
122081b352104
13c01589500c
14624087a860
1534a4ae426d
hex1da64cf714

127344113428 has 24 divisors (see below), whose sum is σ = 255830339072. Its totient is φ = 54331310304.

The previous prime is 127344113423. The next prime is 127344113431. The reversal of 127344113428 is 824311443721.

It is a happy number.

It is a super-2 number, since 2×1273441134282 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127344113423) 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, 10191075 + ... + 10203562.

Almost surely, 2127344113428 is an apocalyptic number.

It is an amenable number.

127344113428 is an abundant number, since it is smaller than the sum of its proper divisors (128486225644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127344113428 is a wasteful number, since it uses less digits than its factorization.

127344113428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20394871 (or 20394869 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The spelling of 127344113428 in words is "one hundred twenty-seven billion, three hundred forty-four million, one hundred thirteen thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 223 446 892 1561 3122 6244 20394637 40789274 81578548 142762459 285524918 571049836 4548004051 9096008102 18192016204 31836028357 63672056714 127344113428