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90077018743532 = 22236073161221477
BaseRepresentation
bin10100011110110010110000…
…101101000110001011101100
3102210221021112022102211102002
4110132302300231012023230
543301310213244243112
6515324451112351432
724654564332140502
oct2436626055061354
9383837468384362
1090077018743532
11267794a3861117
12a1296433a5578
133b352c35a1562
141835a72934672
15a6319b25a1c2
hex51ecb0b462ec

90077018743532 has 24 divisors (see below), whose sum is σ = 164515555238496. Its totient is φ = 43073219299968.

The previous prime is 90077018743531. The next prime is 90077018743541. The reversal of 90077018743532 is 23534781077009.

It is a happy number.

It is a super-2 number, since 2×900770187435322 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90077018743531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80052023 + ... + 81169454.

It is an arithmetic number, because the mean of its divisors is an integer number (6854814801604).

Almost surely, 290077018743532 is an apocalyptic number.

90077018743532 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

90077018743532 is a deficient number, since it is larger than the sum of its proper divisors (74438536494964).

90077018743532 is a wasteful number, since it uses less digits than its factorization.

90077018743532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161227577 (or 161227575 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 90077018743532 in words is "ninety trillion, seventy-seven billion, eighteen million, seven hundred forty-three thousand, five hundred thirty-two".

Divisors: 1 2 4 23 46 92 6073 12146 24292 139679 279358 558716 161221477 322442954 644885908 3708093971 7416187942 14832375884 979098029821 1958196059642 3916392119284 22519254685883 45038509371766 90077018743532