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28007416158 = 2323601337691
BaseRepresentation
bin11010000101010111…
…110100000101011110
32200021212220011012120
4122011113310011132
5424324344304113
620511052043410
72011023052341
oct320527640536
980255804176
1028007416158
1110972502327
125517763566
1328446164c7
1414d9960458
15addc2da23
hex6855f415e

28007416158 has 32 divisors (see below), whose sum is σ = 58547688192. Its totient is φ = 8915016000.

The previous prime is 28007416121. The next prime is 28007416169. The reversal of 28007416158 is 85161470082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85908 + ... + 251783.

It is an arithmetic number, because the mean of its divisors is an integer number (1829615256).

Almost surely, 228007416158 is an apocalyptic number.

28007416158 is an abundant number, since it is smaller than the sum of its proper divisors (30540272034).

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

28007416158 is a wasteful number, since it uses less digits than its factorization.

28007416158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338320.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 28007416158 in words is "twenty-eight billion, seven million, four hundred sixteen thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 23 46 69 138 601 1202 1803 3606 13823 27646 41469 82938 337691 675382 1013073 2026146 7766893 15533786 23300679 46601358 202952291 405904582 608856873 1217713746 4667902693 9335805386 14003708079 28007416158