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47775914492 = 2231894329097
BaseRepresentation
bin101100011111101010…
…101001100111111100
311120022120210220212112
4230133222221213330
51240321113230432
633540431353152
73310634400305
oct543752514774
9146276726775
1047775914492
1119297292759
1293140827b8
1346750574b7
1424531c37ac
1513994bb7b2
hexb1faa99fc

47775914492 has 24 divisors (see below), whose sum is σ = 87274615680. Its totient is φ = 22857626880.

The previous prime is 47775914491. The next prime is 47775914503. The reversal of 47775914492 is 29441957774.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47775914491) 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, 2153513 + ... + 2175584.

It is an arithmetic number, because the mean of its divisors is an integer number (3636442320).

Almost surely, 247775914492 is an apocalyptic number.

It is an amenable number.

47775914492 is a deficient number, since it is larger than the sum of its proper divisors (39498701188).

47775914492 is a wasteful number, since it uses less digits than its factorization.

47775914492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329221 (or 4329219 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 59.

The spelling of 47775914492 in words is "forty-seven billion, seven hundred seventy-five million, nine hundred fourteen thousand, four hundred ninety-two".

Divisors: 1 2 4 31 62 89 124 178 356 2759 5518 11036 4329097 8658194 17316388 134202007 268404014 385289633 536808028 770579266 1541158532 11943978623 23887957246 47775914492