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4272202321920 = 212325132236789
BaseRepresentation
bin111110001010110011000…
…110100001000000000000
3120010102022010101101000200
4332022303012201000000
51024443432243300140
613030342254245200
7620441104366311
oct76126306410000
916112263341020
104272202321920
1113a791591a9a5
1258bb93ab6800
1324cb368c7700
1410aac071a608
15761e306a030
hex3e2b31a1000

4272202321920 has 1872 divisors, whose sum is σ = 17172964897920. Its totient is φ = 979749568512.

The previous prime is 4272202321909. The next prime is 4272202322077. The reversal of 4272202321920 is 291232022724.

4272202321920 is a `hidden beast` number, since 4 + 27 + 220 + 2 + 321 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1872).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 48002273236 + ... + 48002273324.

It is an arithmetic number, because the mean of its divisors is an integer number (9173592360).

Almost surely, 24272202321920 is an apocalyptic number.

4272202321920 is a gapful number since it is divisible by the number (40) 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 4272202321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8586482448960).

4272202321920 is an abundant number, since it is smaller than the sum of its proper divisors (12900762576000).

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

4272202321920 is a wasteful number, since it uses less digits than its factorization.

4272202321920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 4272202321920 in words is "four trillion, two hundred seventy-two billion, two hundred two million, three hundred twenty-one thousand, nine hundred twenty".