Search a number
-
+
42842861904 = 243946394321
BaseRepresentation
bin100111111001101000…
…100011000101010000
311002120210101212220010
4213321220203011100
51200220233040104
631403131114520
73044454213633
oct477150430520
9132523355803
1042842861904
1117195751297
128377ba2a40
13406a038b7b
142105d8bc1a
1511ab38b489
hex9f9a23150

42842861904 has 40 divisors (see below), whose sum is σ = 110690262592. Its totient is φ = 14279293440.

The previous prime is 42842861881. The next prime is 42842861969. The reversal of 42842861904 is 40916824824.

It is a happy number.

It is a super-2 number, since 2×428428619042 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407064 + ... + 501384.

Almost surely, 242842861904 is an apocalyptic number.

It is an amenable number.

42842861904 is an abundant number, since it is smaller than the sum of its proper divisors (67847400688).

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

42842861904 is a wasteful number, since it uses less digits than its factorization.

42842861904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103795 (or 103789 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 42842861904 in words is "forty-two billion, eight hundred forty-two million, eight hundred sixty-one thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 9463 18926 28389 37852 56778 75704 94321 113556 151408 188642 227112 282963 377284 454224 565926 754568 1131852 1509136 2263704 4527408 892559623 1785119246 2677678869 3570238492 5355357738 7140476984 10710715476 14280953968 21421430952 42842861904