Search a number
-
+
152140501521421 = 7193353319017707
BaseRepresentation
bin100010100101111011111000…
…100011001001010000001101
3201221200111020010201110012021
4202211323320203021100031
5124420132221342141141
61255324214224210141
744021534312402350
oct4245737043112015
9657614203643167
10152140501521421
11445274738a56a6
1215091a22169951
1366b7a3185a9ba
14297d8d4d68297
15128c7cc1976d1
hex8a5ef88c940d

152140501521421 has 16 divisors (see below), whose sum is σ = 175270880916864. Its totient is φ = 129362955853824.

The previous prime is 152140501521409. The next prime is 152140501521469. The reversal of 152140501521421 is 124125105041251.

It is not a de Polignac number, because 152140501521421 - 25 = 152140501521389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152140501521121) 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, 159031951 + ... + 159985756.

It is an arithmetic number, because the mean of its divisors is an integer number (10954430057304).

Almost surely, 2152140501521421 is an apocalyptic number.

It is an amenable number.

152140501521421 is a deficient number, since it is larger than the sum of its proper divisors (23130379395443).

152140501521421 is a wasteful number, since it uses less digits than its factorization.

152140501521421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319018260.

The product of its (nonzero) digits is 16000, while the sum is 34.

Adding to 152140501521421 its reverse (124125105041251), we get a palindrome (276265606562672).

The spelling of 152140501521421 in words is "one hundred fifty-two trillion, one hundred forty billion, five hundred one million, five hundred twenty-one thousand, four hundred twenty-one".

Divisors: 1 7 193 353 1351 2471 68129 476903 319017707 2233123949 61570417451 112613250571 430992922157 788292753997 21734357360203 152140501521421