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70148428448 = 2571773277911
BaseRepresentation
bin100000101010100101…
…1000001001010100000
320201001202122101102112
41001111023001022200
52122130444202243
652120432134452
75032225542440
oct1012513011240
9221052571375
1070148428448
1127827a6060a
1211718697428
1367cc116137
143576612120
151c5867e818
hex10552c12a0

70148428448 has 192 divisors, whose sum is σ = 170205815808. Its totient is φ = 27776286720.

The previous prime is 70148428429. The next prime is 70148428481. The reversal of 70148428448 is 84482484107.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70148428396 and 70148428405.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77001113 + ... + 77002023.

It is an arithmetic number, because the mean of its divisors is an integer number (886488624).

Almost surely, 270148428448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70148428448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85102907904).

70148428448 is an abundant number, since it is smaller than the sum of its proper divisors (100057387360).

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

70148428448 is a wasteful number, since it uses less digits than its factorization.

70148428448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 50.

The spelling of 70148428448 in words is "seventy billion, one hundred forty-eight million, four hundred twenty-eight thousand, four hundred forty-eight".