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187437404070 = 232571937014231
BaseRepresentation
bin1010111010010000100…
…0111100111110100110
3122220210211112200121200
42232210020330332212
511032332433412240
6222035122023330
716353605434620
oct2564410747646
9586724480550
10187437404070
1172545589a14
12303b04a7b46
13148a1756b67
149101895c10
154d20623930
hex2ba423cfa6

187437404070 has 192 divisors, whose sum is σ = 586567388160. Its totient is φ = 40567392000.

The previous prime is 187437404039. The next prime is 187437404093. The reversal of 187437404070 is 70404734781.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44298855 + ... + 44303085.

It is an arithmetic number, because the mean of its divisors is an integer number (3055038480).

Almost surely, 2187437404070 is an apocalyptic number.

187437404070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 187437404070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293283694080).

187437404070 is an abundant number, since it is smaller than the sum of its proper divisors (399129984090).

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

187437404070 is a wasteful number, since it uses less digits than its factorization.

187437404070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7971 (or 7968 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 187437404070 in words is "one hundred eighty-seven billion, four hundred thirty-seven million, four hundred four thousand, seventy".