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148515884157 = 349505294719
BaseRepresentation
bin1000101001010000111…
…1001000110001111101
3112012100022211121200010
42022110033020301331
54413130031243112
6152121030453433
713505235120624
oct2122417106175
9465308747603
10148515884157
1157a92387a33
1224949804279
131100ac5c0c4
14728c6246bb
153ce367163c
hex22943c8c7d

148515884157 has 4 divisors (see below), whose sum is σ = 198021178880. Its totient is φ = 99010589436.

The previous prime is 148515884149. The next prime is 148515884171. The reversal of 148515884157 is 751488515841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 148515884157 - 23 = 148515884149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148515884097 and 148515884106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148515884137) 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, 24752647357 + ... + 24752647362.

It is an arithmetic number, because the mean of its divisors is an integer number (49505294720).

Almost surely, 2148515884157 is an apocalyptic number.

It is an amenable number.

148515884157 is a deficient number, since it is larger than the sum of its proper divisors (49505294723).

148515884157 is an equidigital number, since it uses as much as digits as its factorization.

148515884157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49505294722.

The product of its digits is 7168000, while the sum is 57.

The spelling of 148515884157 in words is "one hundred forty-eight billion, five hundred fifteen million, eight hundred eighty-four thousand, one hundred fifty-seven".

Divisors: 1 3 49505294719 148515884157