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42958409380 = 2259661222329
BaseRepresentation
bin101000000000100001…
…010100111010100100
311002212211211022020021
4220000201110322210
51200434323100010
631422415444524
73050356312015
oct500041247244
9132784738207
1042958409380
11172449a1877
1283aa826744
134087c64263
14211746900c
1511b65b28da
hexa00854ea4

42958409380 has 24 divisors (see below), whose sum is σ = 90222403320. Its totient is φ = 17181507840.

The previous prime is 42958409357. The next prime is 42958409387. The reversal of 42958409380 is 8390485924.

It can be written as a sum of positive squares in 4 ways, for example, as 509224356 + 42449185024 = 22566^2 + 206032^2 .

It is not an unprimeable number, because it can be changed into a prime (42958409387) 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, 82056 + ... + 304384.

It is an arithmetic number, because the mean of its divisors is an integer number (3759266805).

Almost surely, 242958409380 is an apocalyptic number.

It is an amenable number.

42958409380 is an abundant number, since it is smaller than the sum of its proper divisors (47263993940).

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

42958409380 is a wasteful number, since it uses less digits than its factorization.

42958409380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231999 (or 231997 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 42958409380 in words is "forty-two billion, nine hundred fifty-eight million, four hundred nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 9661 19322 38644 48305 96610 193220 222329 444658 889316 1111645 2223290 4446580 2147920469 4295840938 8591681876 10739602345 21479204690 42958409380