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149723227412 = 22116762578117
BaseRepresentation
bin1000101101110000110…
…0110010010100010100
3112022110110200000020222
42023130030302110110
54423113121234122
6152440520213512
713550165302043
oct2133414622424
9468413600228
10149723227412
1158551949880
122502600a298
1311171124ab5
147364b0655a
153d6465cb42
hex22dc332514

149723227412 has 48 divisors (see below), whose sum is σ = 290183560128. Its totient is φ = 67021278720.

The previous prime is 149723227411. The next prime is 149723227417. The reversal of 149723227412 is 214722327941.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149723227411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18441578 + ... + 18449694.

It is an arithmetic number, because the mean of its divisors is an integer number (6045490836).

Almost surely, 2149723227412 is an apocalyptic number.

It is an amenable number.

149723227412 is a deficient number, since it is larger than the sum of its proper divisors (140460332716).

149723227412 is a wasteful number, since it uses less digits than its factorization.

149723227412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456 (or 14454 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The spelling of 149723227412 in words is "one hundred forty-nine billion, seven hundred twenty-three million, two hundred twenty-seven thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 67 134 268 737 1474 2948 6257 8117 12514 16234 25028 32468 68827 89287 137654 178574 275308 357148 419219 543839 838438 1087678 1676876 2175356 4611409 5982229 9222818 11964458 18445636 23928916 50788069 101576138 203152276 558668759 1117337518 2234675036 3402800623 6805601246 13611202492 37430806853 74861613706 149723227412