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10621072293 = 313733730619
BaseRepresentation
bin10011110010001000…
…01011001110100101
31000102012102101010220
421321010023032211
5133222443303133
64513530234553
7524125424226
oct117104131645
930365371126
1010621072293
1145603558a7
122084b85a59
131003583580
1472a83324d
1542268e5b3
hex27910b3a5

10621072293 has 16 divisors (see below), whose sum is σ = 15459689280. Its totient is φ = 6446507904.

The previous prime is 10621072271. The next prime is 10621072307. The reversal of 10621072293 is 39227012601.

It is not a de Polignac number, because 10621072293 - 29 = 10621071781 is a prime.

It is a super-2 number, since 2×106210722932 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621072243) 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, 1862463 + ... + 1868156.

It is an arithmetic number, because the mean of its divisors is an integer number (966230580).

Almost surely, 210621072293 is an apocalyptic number.

10621072293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10621072293 is a deficient number, since it is larger than the sum of its proper divisors (4838616987).

10621072293 is a wasteful number, since it uses less digits than its factorization.

10621072293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730708.

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 10621072293 its reverse (39227012601), we get a palindrome (49848084894).

It can be divided in two parts, 106210 and 72293, that added together give a triangular number (178503 = T597).

The spelling of 10621072293 in words is "ten billion, six hundred twenty-one million, seventy-two thousand, two hundred ninety-three".

Divisors: 1 3 13 39 73 219 949 2847 3730619 11191857 48498047 145494141 272335187 817005561 3540357431 10621072293