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8216904960 = 2832511611063
BaseRepresentation
bin1111010011100010…
…00000010100000000
3210012122120000120100
413221301000110000
5113312011424320
63435204442400
7410423353065
oct75161002400
923178500510
108216904960
113537257350
1217139a9400
13a0c468b54
1457d40ac6c
15331593790
hex1e9c40500

8216904960 has 432 divisors, whose sum is σ = 31552230528. Its totient is φ = 1957478400.

The previous prime is 8216904947. The next prime is 8216904973. The reversal of 8216904960 is 694096128.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8216904947) and next prime (8216904973).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7729389 + ... + 7730451.

Almost surely, 28216904960 is an apocalyptic number.

8216904960 is a gapful number since it is divisible by the number (80) 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 8216904960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15776115264).

8216904960 is an abundant number, since it is smaller than the sum of its proper divisors (23335325568).

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

8216904960 is a wasteful number, since it uses less digits than its factorization.

8216904960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 8216904960 is about 90647.1453494262. The cubic root of 8216904960 is about 2017.9144701087.

The spelling of 8216904960 in words is "eight billion, two hundred sixteen million, nine hundred four thousand, nine hundred sixty".