Search a number
-
+
30500125154401 = 753233915138557
BaseRepresentation
bin1101110111101010111010…
…01000000001110001100001
310222222210011011101222021211
412323311131020001301201
512444203224014420101
6144511321500550121
76265363351145320
oct673653510016141
9128883134358254
1030500125154401
11979a037570941
123507166252341
1314031c349a086
147762dd06c0b7
1537d5a18cec51
hex1bbd5d201c61

30500125154401 has 32 divisors (see below), whose sum is σ = 35672218103808. Its totient is φ = 25536163161600.

The previous prime is 30500125154399. The next prime is 30500125154413. The reversal of 30500125154401 is 10445152100503.

It is not a de Polignac number, because 30500125154401 - 21 = 30500125154399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30500125154461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791020615 + ... + 791059171.

It is an arithmetic number, because the mean of its divisors is an integer number (1114756815744).

Almost surely, 230500125154401 is an apocalyptic number.

It is an amenable number.

30500125154401 is a deficient number, since it is larger than the sum of its proper divisors (5172092949407).

30500125154401 is a wasteful number, since it uses less digits than its factorization.

30500125154401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48001.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 30500125154401 its reverse (10445152100503), we get a palindrome (40945277254904).

The spelling of 30500125154401 in words is "thirty trillion, five hundred billion, one hundred twenty-five million, one hundred fifty-four thousand, four hundred one".

Divisors: 1 7 53 233 371 1631 9151 12349 38557 64057 86443 269899 485003 2043521 2132183 3395021 8983781 14304647 14925281 62886467 113005699 352835107 476140393 791039893 2469845749 3332982751 18700260671 82210579931 130901824697 575474059517 4357160736343 30500125154401