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2135251132 = 227379201211
BaseRepresentation
bin111111101000101…
…0101100010111100
312111210211222220021
41333101111202330
513333111014012
6551513501524
7103625222650
oct17721254274
95453758807
102135251132
119a6325863
124b71118a4
132804b1011
14163824a60
15c76cc007
hex7f4558bc

2135251132 has 24 divisors (see below), whose sum is σ = 4281791360. Its totient is φ = 912688560.

The previous prime is 2135251117. The next prime is 2135251147. The reversal of 2135251132 is 2311525312.

It is an interprime number because it is at equal distance from previous prime (2135251117) and next prime (2135251147).

It is a junction number, because it is equal to n+sod(n) for n = 2135251097 and 2135251106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89994 + ... + 111217.

Almost surely, 22135251132 is an apocalyptic number.

It is an amenable number.

2135251132 is an abundant number, since it is smaller than the sum of its proper divisors (2146540228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135251132 is a wasteful number, since it uses less digits than its factorization.

2135251132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201601 (or 201599 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 2135251132 is about 46208.7776510048. Note that the first 3 decimals coincide. The cubic root of 2135251132 is about 1287.7048169083.

Adding to 2135251132 its reverse (2311525312), we get a palindrome (4446776444).

The spelling of 2135251132 in words is "two billion, one hundred thirty-five million, two hundred fifty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 379 758 1516 2653 5306 10612 201211 402422 804844 1408477 2816954 5633908 76258969 152517938 305035876 533812783 1067625566 2135251132