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2531152945 = 531107152617
BaseRepresentation
bin1001011011011110…
…0101010000110001
320112101210220002101
42112313211100301
520140433343240
61055055220401
7116503305436
oct22667452061
96471726071
102531152945
111089851742
125a7817701
13314519149
141a023db8d
15ec33139a
hex96de5431

2531152945 has 16 divisors (see below), whose sum is σ = 3164686848. Its totient is φ = 1941275520.

The previous prime is 2531152937. The next prime is 2531152951. The reversal of 2531152945 is 5492511352.

2531152945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2531152945 - 23 = 2531152937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59724 + ... + 92893.

It is an arithmetic number, because the mean of its divisors is an integer number (197792928).

Almost surely, 22531152945 is an apocalyptic number.

It is an amenable number.

2531152945 is a deficient number, since it is larger than the sum of its proper divisors (633533903).

2531152945 is a wasteful number, since it uses less digits than its factorization.

2531152945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152760.

The product of its digits is 54000, while the sum is 37.

The square root of 2531152945 is about 50310.5649441546. The cubic root of 2531152945 is about 1362.8230260667.

The spelling of 2531152945 in words is "two billion, five hundred thirty-one million, one hundred fifty-two thousand, nine hundred forty-five".

Divisors: 1 5 31 107 155 535 3317 16585 152617 763085 4731127 16330019 23655635 81650095 506230589 2531152945