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10151220506461 = 73452813070997
BaseRepresentation
bin1001001110111000001111…
…1001000110111101011101
31022221110002000021220210221
42103232003321012331131
52312304144422201321
633331223433201341
72065254464422366
oct223560371067535
938843060256727
1010151220506461
1132641213747a1
12117b45b260251
1358834352bc48
14271470a2ab6d
151290cac5de41
hex93b83e46f5d

10151220506461 has 8 divisors (see below), whose sum is σ = 10290508926264. Its totient is φ = 10011938319360.

The previous prime is 10151220506447. The next prime is 10151220506477. The reversal of 10151220506461 is 16460502215101.

It can be written as a sum of positive squares in 4 ways, for example, as 1185202368900 + 8966018137561 = 1088670^2 + 2994331^2 .

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 10151220506461 - 223 = 10151212117853 is a prime.

It is a super-3 number, since 3×101512205064613 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10151220506431) 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, 1770015 + ... + 4841011.

It is an arithmetic number, because the mean of its divisors is an integer number (1286313615783).

Almost surely, 210151220506461 is an apocalyptic number.

It is an amenable number.

10151220506461 is a deficient number, since it is larger than the sum of its proper divisors (139288419803).

10151220506461 is an equidigital number, since it uses as much as digits as its factorization.

10151220506461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116351.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 10151220506461 in words is "ten trillion, one hundred fifty-one billion, two hundred twenty million, five hundred six thousand, four hundred sixty-one".

Divisors: 1 73 45281 3070997 3305513 224182781 139057815157 10151220506461