Search a number
-
+
43081978360 = 2354126269499
BaseRepresentation
bin101000000111111000…
…101101000111111000
311010012110100021000011
4220013320231013320
51201212441301420
631442552151304
73053416526311
oct500770550770
9133173307004
1043081978360
11172a8720aa3
128424098534
1340a773a7b5
142129a33608
1511c237095a
hexa07e2d1f8

43081978360 has 32 divisors (see below), whose sum is σ = 99298710000. Its totient is φ = 16812478720.

The previous prime is 43081978321. The next prime is 43081978399. The reversal of 43081978360 is 6387918034.

It is a happy number.

43081978360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43081978321) and next prime (43081978399).

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, 13133110 + ... + 13136389.

Almost surely, 243081978360 is an apocalyptic number.

43081978360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43081978360 is an abundant number, since it is smaller than the sum of its proper divisors (56216731640).

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

43081978360 is a wasteful number, since it uses less digits than its factorization.

43081978360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26269551 (or 26269547 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 43081978360 in words is "forty-three billion, eighty-one million, nine hundred seventy-eight thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 26269499 52538998 105077996 131347495 210155992 262694990 525389980 1050779960 1077049459 2154098918 4308197836 5385247295 8616395672 10770494590 21540989180 43081978360