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89707438144 = 2629212912
BaseRepresentation
bin101001110001011111…
…0101110000001000000
322120112212101000201001
41103202332232001000
52432210101010034
6105113325421344
76324014433352
oct1234276560100
9276485330631
1089707438144
1135054568035
1215476a0a854
1385c8329c5c
1444b01030d2
15250083ba14
hex14e2fae040

89707438144 has 63 divisors (see below), whose sum is σ = 184506169341. Its totient is φ = 43273493760.

The previous prime is 89707438123. The next prime is 89707438151. The reversal of 89707438144 is 44183470798.

It is a happy number.

The square root of 89707438144 is 299512.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47040404544 + 42667033600 = 216888^2 + 206560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69486139 + ... + 69487429.

Almost surely, 289707438144 is an apocalyptic number.

89707438144 is the 299512-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89707438144

89707438144 is an abundant number, since it is smaller than the sum of its proper divisors (94798731197).

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

89707438144 is an frugal number, since it uses more digits than its factorization.

89707438144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 89707438144 in words is "eighty-nine billion, seven hundred seven million, four hundred thirty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 464 841 928 1291 1682 1856 2582 3364 5164 6728 10328 13456 20656 26912 37439 41312 53824 74878 82624 149756 299512 599024 1085731 1198048 1666681 2171462 2396096 3333362 4342924 6666724 8685848 13333448 17371696 26666896 34743392 48333749 53333792 69486784 96667498 106667584 193334996 386669992 773339984 1401678721 1546679968 2803357442 3093359936 5606714884 11213429768 22426859536 44853719072 89707438144