Search a number
-
+
88244237140 = 2257983672901
BaseRepresentation
bin101001000101111000…
…1000011001101010100
322102202220002201021021
41102023301003031110
52421211011042030
6104312220130524
76242526432253
oct1221361031524
9272686081237
1088244237140
1134473631504
1215128996a44
138424150547
1443b1a5c79a
15246716097a
hex148bc43354

88244237140 has 48 divisors (see below), whose sum is σ = 189919860480. Its totient is φ = 34430947200.

The previous prime is 88244237119. The next prime is 88244237231. The reversal of 88244237140 is 4173244288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205311 + ... + 467590.

It is an arithmetic number, because the mean of its divisors is an integer number (3956663760).

Almost surely, 288244237140 is an apocalyptic number.

It is an amenable number.

88244237140 is an abundant number, since it is smaller than the sum of its proper divisors (101675623340).

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

88244237140 is a wasteful number, since it uses less digits than its factorization.

88244237140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673072 (or 673070 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 88244237140 in words is "eighty-eight billion, two hundred forty-four million, two hundred thirty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 79 83 158 166 316 332 395 415 790 830 1580 1660 6557 13114 26228 32785 65570 131140 672901 1345802 2691604 3364505 6729010 13458020 53159179 55850783 106318358 111701566 212636716 223403132 265795895 279253915 531591790 558507830 1063183580 1117015660 4412211857 8824423714 17648847428 22061059285 44122118570 88244237140