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90048153069071 = 677910121667747
BaseRepresentation
bin10100011110010111111000…
…001011010010011000001111
3102210211112000121120122010222
4110132113320023102120033
543300322104141202241
6515303314521021555
724652523115020261
oct2436277013223017
9383745017518128
1090048153069071
112676823094770a
12a123b283248bb
133b32673217c02
1418344d5001b31
15a6255bee7a4b
hex51e5f82d260f

90048153069071 has 24 divisors (see below), whose sum is σ = 93474473583360. Its totient is φ = 86714119720800.

The previous prime is 90048153069067. The next prime is 90048153069143. The reversal of 90048153069071 is 17096035184009.

It is not a de Polignac number, because 90048153069071 - 22 = 90048153069067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90048153069001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53160020 + ... + 54827766.

It is an arithmetic number, because the mean of its divisors is an integer number (3894769732640).

Almost surely, 290048153069071 is an apocalyptic number.

90048153069071 is a deficient number, since it is larger than the sum of its proper divisors (3426320514289).

90048153069071 is a wasteful number, since it uses less digits than its factorization.

90048153069071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668095 (or 1667994 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 90048153069071 in words is "ninety trillion, forty-eight billion, one hundred fifty-three million, sixty-nine thousand, seventy-one".

Divisors: 1 67 79 101 5293 6767 7979 10201 534593 683467 805879 1667747 53993893 111739049 131752013 168442447 8827384871 11285643949 13306953313 17012687147 891565871971 1139850038849 1344002284613 90048153069071