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1012150121 = 19232316133
BaseRepresentation
bin111100010101000…
…010111101101001
32121112112112221112
4330111002331221
54033102300441
6244233520105
734040063663
oct7425027551
92545475845
101012150121
1147a372404
12242b73035
131319025c8
14985d1533
155dcd14eb
hex3c542f69

1012150121 has 8 divisors (see below), whose sum is σ = 1111744320. Its totient is φ = 917188272.

The previous prime is 1012150103. The next prime is 1012150127. The reversal of 1012150121 is 1210512101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012150121 - 214 = 1012133737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012150096 and 1012150105.

It is not an unprimeable number, because it can be changed into a prime (1012150127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157630 + ... + 1158503.

It is an arithmetic number, because the mean of its divisors is an integer number (138968040).

Almost surely, 21012150121 is an apocalyptic number.

It is an amenable number.

1012150121 is a deficient number, since it is larger than the sum of its proper divisors (99594199).

1012150121 is a wasteful number, since it uses less digits than its factorization.

1012150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316175.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1012150121 is about 31814.3068602791. The cubic root of 1012150121 is about 1004.0337473379.

Adding to 1012150121 its reverse (1210512101), we get a palindrome (2222662222).

The spelling of 1012150121 in words is "one billion, twelve million, one hundred fifty thousand, one hundred twenty-one".

Divisors: 1 19 23 437 2316133 44006527 53271059 1012150121