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172143042048 = 2933711271381
BaseRepresentation
bin1010000001010010000…
…1100101111000000000
3121110022221111121011000
42200110201211320000
510310022104321143
6211025330452000
715302602500105
oct2402441457000
9543287447130
10172143042048
11670072943aa
1229442434000
1313304c352c3
148490528aac
154727a65bd3
hex2814865e00

172143042048 has 320 divisors, whose sum is σ = 521178071040. Its totient is φ = 56086732800.

The previous prime is 172143042041. The next prime is 172143042077. The reversal of 172143042048 is 840240341271.

172143042048 is a `hidden beast` number, since 17 + 2 + 1 + 430 + 4 + 204 + 8 = 666.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172143042041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124650318 + ... + 124651698.

It is an arithmetic number, because the mean of its divisors is an integer number (1628681472).

Almost surely, 2172143042048 is an apocalyptic number.

172143042048 is a gapful number since it is divisible by the number (18) 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 172143042048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260589035520).

172143042048 is an abundant number, since it is smaller than the sum of its proper divisors (349035028992).

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

172143042048 is a wasteful number, since it uses less digits than its factorization.

172143042048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 172143042048 in words is "one hundred seventy-two billion, one hundred forty-three million, forty-two thousand, forty-eight".