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13010919980 = 225650545999
BaseRepresentation
bin11000001111000001…
…01110001000101100
31020120202100012212012
430013200232020230
5203121243414410
65551021100352
7640264665212
oct140740561054
936522305765
1013010919980
115577363833
1226313b76b8
1312c4726226
148b5daccb2
155123ac605
hex30782e22c

13010919980 has 12 divisors (see below), whose sum is σ = 27322932000. Its totient is φ = 5204367984.

The previous prime is 13010919973. The next prime is 13010920001. The reversal of 13010919980 is 8991901031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325272980 + ... + 325273019.

It is an arithmetic number, because the mean of its divisors is an integer number (2276911000).

Almost surely, 213010919980 is an apocalyptic number.

13010919980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13010919980 is an abundant number, since it is smaller than the sum of its proper divisors (14312012020).

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

13010919980 is a wasteful number, since it uses less digits than its factorization.

13010919980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650546008 (or 650546006 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 13010919980 in words is "thirteen billion, ten million, nine hundred nineteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 650545999 1301091998 2602183996 3252729995 6505459990 13010919980