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149971230404 = 2237492807601
BaseRepresentation
bin1000101110101011111…
…0110101111011000100
3112100002202022212101222
42023222332311323010
54424120113333104
6152521255535512
713556266265612
oct2135276657304
9470082285358
10149971230404
1158669939126
122509508a598
13111b0618528
147389a226b2
153d7b2ea1be
hex22eafb5ec4

149971230404 has 6 divisors (see below), whose sum is σ = 262449653214. Its totient is φ = 74985615200.

The previous prime is 149971230403. The next prime is 149971230439. The reversal of 149971230404 is 404032179941.

It can be written as a sum of positive squares in only one way, i.e., 125961108100 + 24010122304 = 354910^2 + 154952^2 .

It is not an unprimeable number, because it can be changed into a prime (149971230403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18746403797 + ... + 18746403804.

It is an arithmetic number, because the mean of its divisors is an integer number (43741608869).

Almost surely, 2149971230404 is an apocalyptic number.

It is an amenable number.

149971230404 is a deficient number, since it is larger than the sum of its proper divisors (112478422810).

149971230404 is a wasteful number, since it uses less digits than its factorization.

149971230404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37492807605 (or 37492807603 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 149971230404 in words is "one hundred forty-nine billion, nine hundred seventy-one million, two hundred thirty thousand, four hundred four".

Divisors: 1 2 4 37492807601 74985615202 149971230404