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42704851904 = 26111317833307
BaseRepresentation
bin100111110001011010…
…000101001111000000
311002020011201020202122
4213301122011033000
51144424420230104
631341321103412
73041160152261
oct476132051700
9132204636678
1042704851904
1117124859340
128339927b68
134047577550
1420d1904968
15119e1c96be
hex9f16853c0

42704851904 has 224 divisors, whose sum is σ = 106716185856. Its totient is φ = 16655892480.

The previous prime is 42704851867. The next prime is 42704851907. The reversal of 42704851904 is 40915840724.

It is a super-2 number, since 2×427048519042 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42704851907) 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, 12911819 + ... + 12915125.

It is an arithmetic number, because the mean of its divisors is an integer number (476411544).

Almost surely, 242704851904 is an apocalyptic number.

42704851904 is a gapful number since it is divisible by the number (44) 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 42704851904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53358092928).

42704851904 is an abundant number, since it is smaller than the sum of its proper divisors (64011333952).

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

42704851904 is a wasteful number, since it uses less digits than its factorization.

42704851904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 42704851904 in words is "forty-two billion, seven hundred four million, eight hundred fifty-one thousand, nine hundred four".