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90475242048 = 2632236829351
BaseRepresentation
bin101010001000010111…
…1101010001001000000
322122112101010111122200
41110100233222021000
52440243130221143
6105321434233200
76352026603612
oct1242057521100
9278471114580
1090475242048
1135408a08514
121564bb85800
1386bb4193a9
14454408adb2
152547e541d3
hex1510bea240

90475242048 has 84 divisors (see below), whose sum is σ = 270606243648. Its totient is φ = 28847174400.

The previous prime is 90475242041. The next prime is 90475242059. The reversal of 90475242048 is 84024257409.

It is a junction number, because it is equal to n+sod(n) for n = 90475241994 and 90475242012.

It is not an unprimeable number, because it can be changed into a prime (90475242041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3401428 + ... + 3427923.

Almost surely, 290475242048 is an apocalyptic number.

It is an amenable number.

90475242048 is an abundant number, since it is smaller than the sum of its proper divisors (180131001600).

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

90475242048 is a wasteful number, since it uses less digits than its factorization.

90475242048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6829392 (or 6829379 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 90475242048 in words is "ninety billion, four hundred seventy-five million, two hundred forty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 138 144 184 192 207 276 288 368 414 552 576 736 828 1104 1472 1656 2208 3312 4416 6624 13248 6829351 13658702 20488053 27317404 40976106 54634808 61464159 81952212 109269616 122928318 157075073 163904424 218539232 245856636 314150146 327808848 437078464 471225219 491713272 628300292 655617696 942450438 983426544 1256600584 1311235392 1413675657 1884900876 1966853088 2513201168 2827351314 3769801752 3933706176 5026402336 5654702628 7539603504 10052804672 11309405256 15079207008 22618810512 30158414016 45237621024 90475242048