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47908868452 = 22191108757689
BaseRepresentation
bin101100100111100101…
…110101000101100100
311120122211222200102021
4230213211311011210
51241104132242302
634001541152524
73314140443214
oct544745650544
9146584880367
1047908868452
1119355341a65
1293506bb744
134696768693
142466b12244
1513a5ed0437
hexb27975164

47908868452 has 24 divisors (see below), whose sum is σ = 84358471680. Its totient is φ = 23806683840.

The previous prime is 47908868363. The next prime is 47908868453. The reversal of 47908868452 is 25486880974.

47908868452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47908868453) 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, 801624 + ... + 859312.

It is an arithmetic number, because the mean of its divisors is an integer number (3514936320).

Almost surely, 247908868452 is an apocalyptic number.

It is an amenable number.

47908868452 is a deficient number, since it is larger than the sum of its proper divisors (36449603228).

47908868452 is a wasteful number, since it uses less digits than its factorization.

47908868452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58971 (or 58969 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 47908868452 in words is "forty-seven billion, nine hundred eight million, eight hundred sixty-eight thousand, four hundred fifty-two".

Divisors: 1 2 4 191 382 764 1087 2174 4348 57689 115378 207617 230756 415234 830468 11018599 22037198 44074396 62707943 125415886 250831772 11977217113 23954434226 47908868452