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118201140 = 223352331307
BaseRepresentation
bin1110000101110…
…01101100110100
322020102020111000
413002321230310
5220224414030
615421243300
72633456511
oct702715464
9266366430
10118201140
11607a32a2
1233703530
131b647205
14119ac308
15a59c860
hex70b9b34

118201140 has 192 divisors, whose sum is σ = 397393920. Its totient is φ = 29082240.

The previous prime is 118201123. The next prime is 118201201. The reversal of 118201140 is 41102811.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384867 + ... + 385173.

It is an arithmetic number, because the mean of its divisors is an integer number (2069760).

Almost surely, 2118201140 is an apocalyptic number.

118201140 is a gapful number since it is divisible by the number (10) 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 118201140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198696960).

118201140 is an abundant number, since it is smaller than the sum of its proper divisors (279192780).

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

118201140 is a wasteful number, since it uses less digits than its factorization.

118201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 118201140 is about 10872.0347681563. The cubic root of 118201140 is about 490.7653456800.

Adding to 118201140 its reverse (41102811), we get a palindrome (159303951).

It can be divided in two parts, 118201 and 140, that added together give a triangular number (118341 = T486).

The spelling of 118201140 in words is "one hundred eighteen million, two hundred one thousand, one hundred forty".