Search a number
-
+
127992299237 = 1121077198207
BaseRepresentation
bin111011100110011101…
…1110111111011100101
3110020101000002110221022
41313030323313323211
54044112012033422
6134444315100525
712150524410235
oct1671473677345
9406330073838
10127992299237
114a310352900
1220980441745
13c0b9c6230a
1462a29a7cc5
1534e197e342
hex1dccef7ee5

127992299237 has 12 divisors (see below), whose sum is σ = 140700244608. Its totient is φ = 116344648200.

The previous prime is 127992299233. The next prime is 127992299251. The reversal of 127992299237 is 732992299721.

It is not a de Polignac number, because 127992299237 - 22 = 127992299233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127992299237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127992299231) 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, 1254188 + ... + 1352394.

It is an arithmetic number, because the mean of its divisors is an integer number (11725020384).

Almost surely, 2127992299237 is an apocalyptic number.

It is an amenable number.

127992299237 is a deficient number, since it is larger than the sum of its proper divisors (12707945371).

127992299237 is a wasteful number, since it uses less digits than its factorization.

127992299237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109000 (or 108989 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 62.

The spelling of 127992299237 in words is "one hundred twenty-seven billion, nine hundred ninety-two million, two hundred ninety-nine thousand, two hundred thirty-seven".

Divisors: 1 11 121 10771 98207 118481 1080277 1303291 11883047 1057787597 11635663567 127992299237