Search a number
-
+
42031021076 = 22111973688717
BaseRepresentation
bin100111001001001111…
…100111110000010100
311000111012210002122022
4213021033213300110
51142034420133301
631150410352312
73015365533022
oct471117476024
9130435702568
1042031021076
1116909463260
12819012b698
133c6aa9b595
14206a21d712
15115ee75d1b
hex9c93e7c14

42031021076 has 48 divisors (see below), whose sum is σ = 85621421760. Its totient is φ = 17851518720.

The previous prime is 42031021069. The next prime is 42031021103. The reversal of 42031021076 is 67012013024.

42031021076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283331 + ... + 405386.

It is an arithmetic number, because the mean of its divisors is an integer number (1783779620).

Almost surely, 242031021076 is an apocalyptic number.

It is an amenable number.

42031021076 is an abundant number, since it is smaller than the sum of its proper divisors (43590400684).

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

42031021076 is a wasteful number, since it uses less digits than its factorization.

42031021076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688824 (or 688822 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 42031021076 in words is "forty-two billion, thirty-one million, twenty-one thousand, seventy-six".

Divisors: 1 2 4 11 19 22 38 44 73 76 146 209 292 418 803 836 1387 1606 2774 3212 5548 15257 30514 61028 688717 1377434 2754868 7575887 13085623 15151774 26171246 30303548 50276341 52342492 100552682 143941853 201105364 287883706 553039751 575767412 955250479 1106079502 1910500958 2212159004 3821001916 10507755269 21015510538 42031021076