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207013502388 = 2237113747128833
BaseRepresentation
bin1100000011001011110…
…1110101110110110100
3201210100010102112002010
43000302331311312310
511342430424034023
6235033425444220
720645662510560
oct3006275656664
9653303375063
10207013502388
117a8807a8370
12341544a0670
13166a1371ba4
14a03b7546a0
1555b9059093
hex3032f75db4

207013502388 has 192 divisors, whose sum is σ = 631661764608. Its totient is φ = 51202990080.

The previous prime is 207013502363. The next prime is 207013502407. The reversal of 207013502388 is 883205310702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1542420 + ... + 1671252.

It is an arithmetic number, because the mean of its divisors is an integer number (3289905024).

Almost surely, 2207013502388 is an apocalyptic number.

207013502388 is a gapful number since it is divisible by the number (28) 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 207013502388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315830882304).

207013502388 is an abundant number, since it is smaller than the sum of its proper divisors (424648262220).

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

207013502388 is a wasteful number, since it uses less digits than its factorization.

207013502388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128942 (or 128940 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 207013502388 in words is "two hundred seven billion, thirteen million, five hundred two thousand, three hundred eighty-eight".