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90048153069073 = 781853115172741
BaseRepresentation
bin10100011110010111111000…
…001011010010011000010001
3102210211112000121120122011001
4110132113320023102120101
543300322104141202243
6515303314521022001
724652523115020263
oct2436277013223021
9383745017518131
1090048153069073
1126768230947711
12a123b28324901
133b32673217c04
1418344d5001b33
15a6255bee7a4d
hex51e5f82d2611

90048153069073 has 4 divisors (see below), whose sum is σ = 90048269023668. Its totient is φ = 90048037114480.

The previous prime is 90048153069067. The next prime is 90048153069143. The reversal of 90048153069073 is 37096035184009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62662691864529 + 27385461204544 = 7915977^2 + 5233112^2 .

It is a cyclic number.

It is not a de Polignac number, because 90048153069073 - 245 = 54863780980241 is a prime.

It is a super-2 number, since 2×900481530690732 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90048153019073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56804518 + ... + 58368223.

It is an arithmetic number, because the mean of its divisors is an integer number (22512067255917).

Almost surely, 290048153069073 is an apocalyptic number.

It is an amenable number.

90048153069073 is a deficient number, since it is larger than the sum of its proper divisors (115954595).

90048153069073 is a wasteful number, since it uses less digits than its factorization.

90048153069073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115954594.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 90048153069073 in words is "ninety trillion, forty-eight billion, one hundred fifty-three million, sixty-nine thousand, seventy-three".

Divisors: 1 781853 115172741 90048153069073