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90870733342 = 2378353147011
BaseRepresentation
bin101010010100001010…
…0010101101000011110
322200112221022112201101
41110220110111220132
52442100401431332
6105425003103314
76364601326504
oct1245024255036
9280487275641
1090870733342
11355a1183a24
1215740511b3a
13875233c6cc
1445807da674
15256ca26ae7
hex1528515a1e

90870733342 has 16 divisors (see below), whose sum is σ = 140007760272. Its totient is φ = 44201790720.

The previous prime is 90870733321. The next prime is 90870733397. The reversal of 90870733342 is 24333707809.

It is a super-2 number, since 2×908707333422 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90870733292 and 90870733301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544617 + ... + 691627.

It is an arithmetic number, because the mean of its divisors is an integer number (8750485017).

Almost surely, 290870733342 is an apocalyptic number.

90870733342 is a deficient number, since it is larger than the sum of its proper divisors (49137026930).

90870733342 is a wasteful number, since it uses less digits than its factorization.

90870733342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155403.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 90870733342 in words is "ninety billion, eight hundred seventy million, seven hundred thirty-three thousand, three hundred forty-two".

Divisors: 1 2 37 74 8353 16706 147011 294022 309061 618122 5439407 10878814 1227982883 2455965766 45435366671 90870733342