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2154010154 = 21823359069
BaseRepresentation
bin1000000001100011…
…1001011000101010
312120010011001102212
42000120321120222
513402411311104
6553423525122
7104243532662
oct20030713052
95503131385
102154010154
11a0597878a
125014597a2
1328434b62a
141661091a2
15c918536e
hex8063962a

2154010154 has 8 divisors (see below), whose sum is σ = 3231247140. Its totient is φ = 1076927776.

The previous prime is 2154010151. The next prime is 2154010163. The reversal of 2154010154 is 4510104512.

It can be written as a sum of positive squares in 2 ways, for example, as 2066157025 + 87853129 = 45455^2 + 9373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2154010151) 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, 6932 + ... + 66000.

Almost surely, 22154010154 is an apocalyptic number.

2154010154 is a deficient number, since it is larger than the sum of its proper divisors (1077236986).

2154010154 is a wasteful number, since it uses less digits than its factorization.

2154010154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77304.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2154010154 is about 46411.3149350457. The cubic root of 2154010154 is about 1291.4648252204.

Adding to 2154010154 its reverse (4510104512), we get a palindrome (6664114666).

The spelling of 2154010154 in words is "two billion, one hundred fifty-four million, ten thousand, one hundred fifty-four".

Divisors: 1 2 18233 36466 59069 118138 1077005077 2154010154