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30615241315550 = 252612304826311
BaseRepresentation
bin1101111011000001010101…
…00101010101010011011110
311000101210021210202212100212
412331200222211111103132
513003100003234044200
6145040240411452422
76306610135315433
oct675405245252336
9130353253685325
1030615241315550
11983393a648601
123525532457112
13141100a907368
1477badd90db8a
1538158cc27035
hex1bd82a9554de

30615241315550 has 12 divisors (see below), whose sum is σ = 56944348847016. Its totient is φ = 12246096526200.

The previous prime is 30615241315517. The next prime is 30615241315583. The reversal of 30615241315550 is 5551314251603.

It is an interprime number because it is at equal distance from previous prime (30615241315517) and next prime (30615241315583).

It is a junction number, because it is equal to n+sod(n) for n = 30615241315498 and 30615241315507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306152413106 + ... + 306152413205.

It is an arithmetic number, because the mean of its divisors is an integer number (4745362403918).

Almost surely, 230615241315550 is an apocalyptic number.

30615241315550 is a deficient number, since it is larger than the sum of its proper divisors (26329107531466).

30615241315550 is a wasteful number, since it uses less digits than its factorization.

30615241315550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612304826323 (or 612304826318 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 30615241315550 in words is "thirty trillion, six hundred fifteen billion, two hundred forty-one million, three hundred fifteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 612304826311 1224609652622 3061524131555 6123048263110 15307620657775 30615241315550