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48657458778 = 2323352590281
BaseRepresentation
bin101101010100001101…
…011110011001011010
311122121000121000021220
4231110031132121122
51244122302140103
634204122112510
73341530401255
oct552415363132
9148530530256
1048657458778
11196a9959a55
12951b34b736
13478588b636
1424d82d809c
1513eba9ec53
hexb5435e65a

48657458778 has 16 divisors (see below), whose sum is σ = 101546001216. Its totient is φ = 15513972320.

The previous prime is 48657458753. The next prime is 48657458779. The reversal of 48657458778 is 87785475684.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (48657458779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176295003 + ... + 176295278.

It is an arithmetic number, because the mean of its divisors is an integer number (6346625076).

Almost surely, 248657458778 is an apocalyptic number.

48657458778 is an abundant number, since it is smaller than the sum of its proper divisors (52888542438).

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

48657458778 is a wasteful number, since it uses less digits than its factorization.

48657458778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352590309.

The product of its digits is 421478400, while the sum is 69.

The spelling of 48657458778 in words is "forty-eight billion, six hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 23 46 69 138 352590281 705180562 1057770843 2115541686 8109576463 16219152926 24328729389 48657458778