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4025930643 = 327611636427
BaseRepresentation
bin1110111111110110…
…1101001110010011
3101101120111110121100
43233331231032103
531221114240033
61503253355443
7201523563060
oct35775551623
911346443540
104025930643
111786595309
12944338b83
134c21003a7
142a2983c67
15188698513
hexeff6d393

4025930643 has 48 divisors (see below), whose sum is σ = 6797430016. Its totient is φ = 2248585920.

The previous prime is 4025930627. The next prime is 4025930647. The reversal of 4025930643 is 3460395204.

4025930643 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 9 + 3 + 0 + 643 = 666.

It is not a de Polignac number, because 4025930643 - 24 = 4025930627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4025930598 and 4025930607.

It is not an unprimeable number, because it can be changed into a prime (4025930647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 623196 + ... + 629622.

Almost surely, 24025930643 is an apocalyptic number.

4025930643 is a deficient number, since it is larger than the sum of its proper divisors (2771499373).

4025930643 is a wasteful number, since it uses less digits than its factorization.

4025930643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 4025930643 is about 63450.2217726621. The cubic root of 4025930643 is about 1590.8238604515.

The spelling of 4025930643 in words is "four billion, twenty-five million, nine hundred thirty thousand, six hundred forty-three".

Divisors: 1 3 7 9 21 61 63 163 183 427 489 549 1141 1281 1467 3423 3843 6427 9943 10269 19281 29829 44989 57843 69601 89487 134967 208803 392047 404901 626409 1047601 1176141 2744329 3142803 3528423 7333207 8232987 9428409 21999621 24698961 63903661 65998863 191710983 447325627 575132949 1341976881 4025930643