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423157648740 = 223529539194993
BaseRepresentation
bin1100010100001100010…
…10010100110101100100
31111110020120202210222220
412022012022110311210
523413111324224430
6522221304552340
742400145444631
oct6120612246544
91443216683886
10423157648740
11153507508682
126a0167826b0
1330b99276988
14166a39ab188
15b019999110
hex6286294d64

423157648740 has 192 divisors, whose sum is σ = 1250433676800. Its totient is φ = 106757554176.

The previous prime is 423157648721. The next prime is 423157648741. The reversal of 423157648740 is 47846751324.

It is not an unprimeable number, because it can be changed into a prime (423157648741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84747684 + ... + 84752676.

It is an arithmetic number, because the mean of its divisors is an integer number (6512675400).

Almost surely, 2423157648740 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 423157648740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625216838400).

423157648740 is an abundant number, since it is smaller than the sum of its proper divisors (827276028060).

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

423157648740 is a wasteful number, since it uses less digits than its factorization.

423157648740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006 (or 6004 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 423157648740 in words is "four hundred twenty-three billion, one hundred fifty-seven million, six hundred forty-eight thousand, seven hundred forty".