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151838201849 = 534910958337
BaseRepresentation
bin1000110101101001000…
…0110001011111111001
3112111220212100211202112
42031122100301133321
54441431034424344
6153430431342105
713653456264215
oct2153220613771
9474825324675
10151838201849
1159437785434
1225516381935
131141a356769
1474c596d945
153e3a181c9e
hex235a4317f9

151838201849 has 8 divisors (see below), whose sum is σ = 154708875720. Its totient is φ = 148967742976.

The previous prime is 151838201819. The next prime is 151838201863. The reversal of 151838201849 is 948102838151.

It can be written as a sum of positive squares in 4 ways, for example, as 54618961849 + 97219240000 = 233707^2 + 311800^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 151838201849 - 216 = 151838136313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151838201797 and 151838201806.

It is not an unprimeable number, because it can be changed into a prime (151838201819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573609 + ... + 2631945.

It is an arithmetic number, because the mean of its divisors is an integer number (19338609465).

Almost surely, 2151838201849 is an apocalyptic number.

It is an amenable number.

151838201849 is a deficient number, since it is larger than the sum of its proper divisors (2870673871).

151838201849 is an equidigital number, since it uses as much as digits as its factorization.

151838201849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107499.

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 151838201849 in words is "one hundred fifty-one billion, eight hundred thirty-eight million, two hundred one thousand, eight hundred forty-nine".

Divisors: 1 53 49109 58337 2602777 3091861 2864871733 151838201849