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63490452480 = 2103357313103
BaseRepresentation
bin111011001000010100…
…110110110000000000
320001212202111011102000
4323020110312300000
52020012023434410
645100032424000
74405231641000
oct731024666000
9201782434360
1063490452480
1124a20783734
121037a9a8000
135caa932ba0
143104288000
1519b8dc5dc0
hexec8536c00

63490452480 has 1408 divisors, whose sum is σ = 286121472000. Its totient is φ = 13265731584.

The previous prime is 63490452479. The next prime is 63490452499. The reversal of 63490452480 is 8425409436.

63490452480 is a `hidden beast` number, since 6 + 3 + 49 + 0 + 4 + 524 + 80 = 666.

It is a super-2 number, since 2×634904524802 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 616412109 + ... + 616412211.

Almost surely, 263490452480 is an apocalyptic number.

63490452480 is a gapful number since it is divisible by the number (60) 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 63490452480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143060736000).

63490452480 is an abundant number, since it is smaller than the sum of its proper divisors (222631019520).

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

63490452480 is a wasteful number, since it uses less digits than its factorization.

63490452480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 63490452480 in words is "sixty-three billion, four hundred ninety million, four hundred fifty-two thousand, four hundred eighty".