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42685200972 = 22323134199041
BaseRepresentation
bin100111110000001111…
…000111101001001100
311002011210201212202100
4213300033013221030
51144404402412342
631335335555100
73040531136031
oct476017075114
9132153655670
1042685200972
11171147572a7
12833322ba90
134043486c8b
1420cd06b388
15119c5e6e4c
hex9f03c7a4c

42685200972 has 72 divisors (see below), whose sum is σ = 108513765360. Its totient is φ = 14147527680.

The previous prime is 42685200967. The next prime is 42685200989. The reversal of 42685200972 is 27900258624.

42685200972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×426852009723 (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4716772 + ... + 4725812.

It is an arithmetic number, because the mean of its divisors is an integer number (1507135630).

Almost surely, 242685200972 is an apocalyptic number.

It is an amenable number.

42685200972 is an abundant number, since it is smaller than the sum of its proper divisors (65828564388).

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

42685200972 is a wasteful number, since it uses less digits than its factorization.

42685200972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783 (or 9778 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 42685200972 in words is "forty-two billion, six hundred eighty-five million, two hundred thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 313 419 626 838 939 1252 1257 1676 1878 2514 2817 3756 3771 5028 5634 7542 9041 11268 15084 18082 27123 36164 54246 81369 108492 131147 162738 262294 325476 393441 524588 786882 1180323 1573764 2360646 2829833 3788179 4721292 5659666 7576358 8489499 11319332 11364537 15152716 16978998 22729074 25468497 33957996 34093611 45458148 50936994 68187222 101873988 136374444 1185700027 2371400054 3557100081 4742800108 7114200162 10671300243 14228400324 21342600486 42685200972