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106721095494 = 23131368219173
BaseRepresentation
bin110001101100100010…
…0101010111101000110
3101012110120120100222110
41203121010222331012
53222031100023434
6121005455241450
710465435226046
oct1433104527506
9335416510873
10106721095494
1141295304682
1218824819286
13a0aa0c2820
145245939726
152b993104e9
hex18d912af46

106721095494 has 16 divisors (see below), whose sum is σ = 229860821232. Its totient is φ = 32837260128.

The previous prime is 106721095489. The next prime is 106721095499. The reversal of 106721095494 is 494590127601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (106721095489) and next prime (106721095499).

It is a super-2 number, since 2×1067210954942 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106721095499) 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, 684109509 + ... + 684109664.

It is an arithmetic number, because the mean of its divisors is an integer number (14366301327).

Almost surely, 2106721095494 is an apocalyptic number.

106721095494 is an abundant number, since it is smaller than the sum of its proper divisors (123139725738).

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

106721095494 is a wasteful number, since it uses less digits than its factorization.

106721095494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368219191.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 106721095494 in words is "one hundred six billion, seven hundred twenty-one million, ninety-five thousand, four hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 1368219173 2736438346 4104657519 8209315038 17786849249 35573698498 53360547747 106721095494