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10498998720 = 2635721719691
BaseRepresentation
bin10011100011100101…
…00000000111000000
31000002200201101200110
421301302200013000
5133000220424340
64453445551320
7521114005500
oct116162400700
930080641613
1010498998720
1144a8458151
122050115540
13cb41b18a2
14718537a00
15416ac9680
hex271ca01c0

10498998720 has 672 divisors, whose sum is σ = 43281112320. Its totient is φ = 2136637440.

The previous prime is 10498998689. The next prime is 10498998779. The reversal of 10498998720 is 2789989401.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-4 number, since 4×104989987204 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15193575 + ... + 15194265.

Almost surely, 210498998720 is an apocalyptic number.

10498998720 is a gapful number since it is divisible by the number (10) 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 10498998720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21640556160).

10498998720 is an abundant number, since it is smaller than the sum of its proper divisors (32782113600).

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

10498998720 is a wasteful number, since it uses less digits than its factorization.

10498998720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 10498998720 in words is "ten billion, four hundred ninety-eight million, nine hundred ninety-eight thousand, seven hundred twenty".