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47192391000 = 23325317308447
BaseRepresentation
bin101011111100111000…
…101011110101011000
311111210220210212010100
4223330320223311120
51233122223003000
633402504415400
73260320463526
oct537470536530
9144726725110
1047192391000
1119017968937
129190777560
1345b11aa321
1423d98c9316
151363155a00
hexafce2bd58

47192391000 has 192 divisors, whose sum is σ = 168893786880. Its totient is φ = 11844326400.

The previous prime is 47192390953. The next prime is 47192391011. The reversal of 47192391000 is 19329174.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1224 + ... + 307223.

It is an arithmetic number, because the mean of its divisors is an integer number (879655140).

Almost surely, 247192391000 is an apocalyptic number.

47192391000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47192391000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84446893440).

47192391000 is an abundant number, since it is smaller than the sum of its proper divisors (121701395880).

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

47192391000 is a wasteful number, since it uses less digits than its factorization.

47192391000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308491 (or 308474 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The spelling of 47192391000 in words is "forty-seven billion, one hundred ninety-two million, three hundred ninety-one thousand".