Search a number
-
+
138745152462 = 2379949332039
BaseRepresentation
bin1000000100110111011…
…0110000001111001110
3111021010101111000112110
42001031312300033032
54233122224334322
6143423314044450
713011143223450
oct2011566601716
9437111430473
10138745152462
1153929026664
1222a81579726
1310111905b67
146a02b022d0
15392099ec0c
hex204ddb03ce

138745152462 has 32 divisors (see below), whose sum is σ = 317164608000. Its totient is φ = 39637368288.

The previous prime is 138745152461. The next prime is 138745152499. The reversal of 138745152462 is 264251547831.

It is a super-2 number, since 2×1387451524622 (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 (138745152461) 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, 251839 + ... + 583877.

It is an arithmetic number, because the mean of its divisors is an integer number (9911394000).

Almost surely, 2138745152462 is an apocalyptic number.

138745152462 is an abundant number, since it is smaller than the sum of its proper divisors (178419455538).

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

138745152462 is a wasteful number, since it uses less digits than its factorization.

138745152462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342000.

The product of its digits is 1612800, while the sum is 48.

The spelling of 138745152462 in words is "one hundred thirty-eight billion, seven hundred forty-five million, one hundred fifty-two thousand, four hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 42 9949 19898 29847 59694 69643 139286 208929 332039 417858 664078 996117 1992234 2324273 4648546 6972819 13945638 3303456011 6606912022 9910368033 19820736066 23124192077 46248384154 69372576231 138745152462