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472396001280 = 2123572156913
BaseRepresentation
bin1101101111111001111…
…11101111000000000000
31200011100002102021201120
412313330333233000000
530214431334020110
61001003221432240
746062261521100
oct6677477570000
91604302367646
10472396001280
11172384255715
127767856b680
13357152a1518
1418c150b7200
15c44c540870
hex6dfcfef000

472396001280 has 312 divisors, whose sum is σ = 1758266561232. Its totient is φ = 107975540736.

The previous prime is 472396001263. The next prime is 472396001299. The reversal of 472396001280 is 82100693274.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2932104 + ... + 3089016.

Almost surely, 2472396001280 is an apocalyptic number.

472396001280 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 472396001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879133280616).

472396001280 is an abundant number, since it is smaller than the sum of its proper divisors (1285870559952).

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

472396001280 is a wasteful number, since it uses less digits than its factorization.

472396001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156959 (or 156930 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 472396001280 in words is "four hundred seventy-two billion, three hundred ninety-six million, one thousand, two hundred eighty".