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38398074624 = 283672131719
BaseRepresentation
bin100011110000101101…
…000001111100000000
310200010000202022000000
4203300231001330000
51112114401341444
625350112000000
72526353151300
oct436055017400
9120100668000
1038398074624
1115314791878
127537530000
13380c224320
141c03935600
15eeb057469
hex8f0b41f00

38398074624 has 1512 divisors, whose sum is σ = 160452487440. Its totient is φ = 9029615616.

The previous prime is 38398074587. The next prime is 38398074647. The reversal of 38398074624 is 42647089383.

38398074624 is a `hidden beast` number, since 3 + 8 + 3 + 9 + 8 + 0 + 7 + 4 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (1512).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 2020951287 + ... + 2020951305.

It is an arithmetic number, because the mean of its divisors is an integer number (106119370).

Almost surely, 238398074624 is an apocalyptic number.

38398074624 is a gapful number since it is divisible by the number (34) 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 38398074624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80226243720).

38398074624 is an abundant number, since it is smaller than the sum of its proper divisors (122054412816).

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

38398074624 is a wasteful number, since it uses less digits than its factorization.

38398074624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 38398074624 in words is "thirty-eight billion, three hundred ninety-eight million, seventy-four thousand, six hundred twenty-four".