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148199705269 = 7211274953071
BaseRepresentation
bin1000101000000101100…
…1000000101010110101
3112011112021220001202221
42022001121000222311
54412003111032034
6152025414002341
713464345465400
oct2120131005265
9464467801687
10148199705269
115793a963070
122487b9463b1
1310c8a5b81c5
14725c63cd37
153cc5a18bb4
hex2281640ab5

148199705269 has 12 divisors (see below), whose sum is σ = 188067901248. Its totient is φ = 115480289400.

The previous prime is 148199705267. The next prime is 148199705299. The reversal of 148199705269 is 962507991841.

It is not a de Polignac number, because 148199705269 - 21 = 148199705267 is a prime.

It is a super-2 number, since 2×1481997052692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148199705267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137475997 + ... + 137477074.

It is an arithmetic number, because the mean of its divisors is an integer number (15672325104).

Almost surely, 2148199705269 is an apocalyptic number.

It is an amenable number.

148199705269 is a deficient number, since it is larger than the sum of its proper divisors (39868195979).

148199705269 is a wasteful number, since it uses less digits than its factorization.

148199705269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274953096 (or 274953089 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 61.

The spelling of 148199705269 in words is "one hundred forty-eight billion, one hundred ninety-nine million, seven hundred five thousand, two hundred sixty-nine".

Divisors: 1 7 11 49 77 539 274953071 1924671497 3024483781 13472700479 21171386467 148199705269