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472170531247 = 4318715868899
BaseRepresentation
bin1101101111011111000…
…11101000100110101111
31200010202101011012222121
412313233203220212233
530214001123444442
61000525005053411
746053553203052
oct6675743504657
91603671135877
10472170531247
11172278a56748
1277614b57267
13356aa66a0bc
1418bd3184a99
15c437854967
hex6def8e89af

472170531247 has 8 divisors (see below), whose sum is σ = 483409555200. Its totient is φ = 460943248920.

The previous prime is 472170531169. The next prime is 472170531257. The reversal of 472170531247 is 742135071274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 472170531247 - 235 = 437810792879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472170531257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853997 + ... + 3014902.

It is an arithmetic number, because the mean of its divisors is an integer number (60426194400).

Almost surely, 2472170531247 is an apocalyptic number.

472170531247 is a deficient number, since it is larger than the sum of its proper divisors (11239023953).

472170531247 is a wasteful number, since it uses less digits than its factorization.

472170531247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870813.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 472170531247 in words is "four hundred seventy-two billion, one hundred seventy million, five hundred thirty-one thousand, two hundred forty-seven".

Divisors: 1 43 1871 80453 5868899 252362657 10980710029 472170531247