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13988620900 = 2252587238307
BaseRepresentation
bin11010000011100100…
…10110101001100100
31100002220001120101101
431001302112221210
5212122041332100
610232024405444
71003436213212
oct150162265144
940086046341
1013988620900
115a29236a21
122864916884
13141c156697
14969b93cb2
1556d13686a
hex341c96a64

13988620900 has 36 divisors (see below), whose sum is σ = 30407147568. Its totient is φ = 5585892640.

The previous prime is 13988620847. The next prime is 13988620903. The reversal of 13988620900 is 902688931.

It is not an unprimeable number, because it can be changed into a prime (13988620903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60454 + ... + 177853.

It is an arithmetic number, because the mean of its divisors is an integer number (844642988).

Almost surely, 213988620900 is an apocalyptic number.

13988620900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13988620900 is an abundant number, since it is smaller than the sum of its proper divisors (16418526668).

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

13988620900 is a wasteful number, since it uses less digits than its factorization.

13988620900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238908 (or 238901 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 13988620900 in words is "thirteen billion, nine hundred eighty-eight million, six hundred twenty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 587 1174 2348 2935 5870 11740 14675 29350 58700 238307 476614 953228 1191535 2383070 4766140 5957675 11915350 23830700 139886209 279772418 559544836 699431045 1398862090 2797724180 3497155225 6994310450 13988620900