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6996222901920 = 253576152096553
BaseRepresentation
bin110010111001110111101…
…1000010111111010100000
3220202211110210200111212210
41211303233120113322200
51404111231030330140
622514004225122120
71321313632314360
oct145635730277240
926684423614783
106996222901920
11225809948968a
1294bab8a89340
133b9982c4c455
141a28947469a0
15c1ec3d08d80
hex65cef617ea0

6996222901920 has 384 divisors, whose sum is σ = 25608115975680. Its totient is φ = 1572379361280.

The previous prime is 6996222901883. The next prime is 6996222901961. The reversal of 6996222901920 is 291092226996.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1067633364 + ... + 1067639916.

It is an arithmetic number, because the mean of its divisors is an integer number (66687802020).

Almost surely, 26996222901920 is an apocalyptic number.

6996222901920 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 6996222901920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12804057987840).

6996222901920 is an abundant number, since it is smaller than the sum of its proper divisors (18611893073760).

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

6996222901920 is a wasteful number, since it uses less digits than its factorization.

6996222901920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848 (or 11840 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 6996222901920 in words is "six trillion, nine hundred ninety-six billion, two hundred twenty-two million, nine hundred one thousand, nine hundred twenty".